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trigger_error:
Edit: trigger_error
Function:
trigger_error
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Description:
Generates a user-level error/warning/notice message.
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function trigger_error (error_msg, error_type) { // http://jsphp.co/jsphp/fn/view/trigger_error // + original by: Brett Zamir (http://brett-zamir.me) // % note 1: Although this function should only allow the E_USER_ types, we'll allow the // % note 1: others here in order to be able to simulate more types (though should not trigger // % note 1: aggregates like E_STRICT or E_ALL). // % note 1: See also our experimental at() function (to mimic the @ error suppressor) // - depends on: echo // * example 1: trigger_error('This will just be a notice'); // * returns 1: true // Fix: get to work with set_error_handler()'s handler when that is added var type = 0, i = 0, that = this, prepend = '', append = ''; if (!error_type) { error_type = 'E_USER_NOTICE'; } var ini_on = function (ini) { return that.php_js.ini[ini] && that.php_js.ini[ini].local_value && ((that.php_js.ini[ini].local_value.toString && that.php_js.ini[ini].local_value.toString().toLowerCase && (that.php_js.ini[ini].local_value.toString().toLowerCase() === 'on' || that.php_js.ini[ini].local_value.toString().toLowerCase() === 'true')) || parseInt(that.php_js.ini[ini].local_value, 10) === 1); }; var display_errors = function (type) { return that.php_js.ini.error_reporting && (type & that.php_js.ini.error_reporting.local_value) && ini_on('display_errors'); }; var TYPES = { // Including all types for completeness, but should not trigger aggregates like E_STRICT or E_ALL E_ERROR: 1, // Fatal run-time errors. These indicate errors that can not be recovered from, such as a memory allocation problem. Execution of the script is halted. E_WARNING: 2, // Run-time warnings (non-fatal errors). Execution of the script is not halted. E_PARSE: 4, // Compile-time parse errors. Parse errors should only be generated by the parser. E_NOTICE: 8, // Run-time notices. Indicate that the script encountered something that could indicate an error, but could also happen in the normal course of running a script. E_CORE_ERROR: 16, // Fatal errors that occur during PHP's initial startup. This is like an E_ERROR, except it is generated by the core of PHP. E_CORE_WARNING: 32, // Warnings (non-fatal errors) that occur during PHP's initial startup. This is like an E_WARNING, except it is generated by the core of PHP. E_COMPILE_ERROR: 64, // Fatal compile-time errors. This is like an E_ERROR, except it is generated by the Zend Scripting Engine. E_COMPILE_WARNING: 128, // Compile-time warnings (non-fatal errors). This is like an E_WARNING, except it is generated by the Zend Scripting Engine. E_USER_ERROR: 256, // User-generated error message. This is like an E_ERROR, except it is generated in PHP code by using the PHP function trigger_error(). E_USER_WARNING: 512, // User-generated warning message. This is like an E_WARNING, except it is generated in PHP code by using the PHP function trigger_error(). E_USER_NOTICE: 1024, // User-generated notice message. This is like an E_NOTICE, except it is generated in PHP code by using the PHP function trigger_error(). E_STRICT: 2048, // Enable to have PHP suggest changes to your code which will ensure the best interoperability and forward compatibility of your code. E_RECOVERABLE_ERROR: 4096, // Catchable fatal error. It indicates that a probably dangerous error occured, but did not leave the Engine in an unstable state. If the error is not caught by a user defined handle (see also set_error_handler()), the application aborts as it was an E_ERROR. E_DEPRECATED: 8192, // Run-time notices. Enable this to receive warnings about code that will not work in future versions. E_USER_DEPRECATED: 16384, // User-generated warning message. This is like an E_DEPRECATED, except it is generated in PHP code by using the PHP function trigger_error(). E_ALL: 30719 // All errors and warnings, as supported, except of level E_STRICT in PHP < 6. in:32767, // PHP 6, in:30719, // PHP 5.3.x, in:6143, // PHP 5.2.x, previously:2047, // }; if (typeof error_type === 'number') { type = error_type; } else { // Allow for a single string or an array of string flags error_type = [].concat(error_type); for (i = 0; i < error_type.length; i++) { // Resolve string input to bitwise if (TYPES[error_type[i]]) { type = type | TYPES[error_type[i]]; } } } // BEGIN REDUNDANT this.php_js = this.php_js || {}; this.php_js.ini = this.php_js.ini || {}; // END REDUNDANT if (type & TYPES.E_USER_ERROR || type & TYPES.E_ERROR || type & TYPES.E_CORE_ERROR || type & TYPES.E_COMPILE_ERROR || type & TYPES.E_RECOVERABLE_ERROR || type & TYPES.E_PARSE) { if (ini_on('track_errors')) { this.$php_errormsg = error_msg; // Can assign to this global, as in PHP (see http://php.net/manual/en/reserved.variables.phperrormsg.php ) } if (display_errors(type)) { prepend = this.php_js.ini.error_prepend_string ? this.php_js.ini.error_prepend_string : ''; append = this.php_js.ini.error_append_string ? this.php_js.ini.error_append_string : ''; this.echo(prepend + 'Error: ' + error_msg + ' ' + append); } var e = new Error(error_msg); // Might, for Mozilla, allow to somehow pass in a fileName and lineNumber (2nd and 3rd arguments to Error) e.type = type; this.php_js.last_error = { message: e.message, file: e.fileName, line: e.lineNumber, type: e.type }; // fileName and lineNumber presently not working (see note just above) throw e; } if (display_errors(type)) { switch (type) { case TYPES.E_USER_WARNING: case TYPES.E_WARNING: case TYPES.E_CORE_WARNING: case TYPES.E_COMPILE_WARNING: this.echo('Warning: ' + error_msg); break; case TYPES.E_USER_NOTICE: case TYPES.E_NOTICE: this.echo('Notice: ' + error_msg); break; case TYPES.E_DEPRECATED: case TYPES.E_USER_DEPRECATED: this.echo('Deprecated: ' + error_msg); break; default: throw 'Unrecognized error type'; } } return true; }
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