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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;
}
