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August 29, 2015 14:04
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Save philipjohn/03d44e99f6be76d162bf to your computer and use it in GitHub Desktop.
A useful error logging function intended for use with WordPress. Simply add to your wp-config.php, or other non-version controlled PHP file.
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<?php | |
if ( ! defined( 'PJID' ) ) define( 'PJID', uniqid() ); | |
function pj_error_log(){ | |
// Get line numbers and such | |
$bt = debug_backtrace(); | |
$caller = array_shift($bt); | |
// First we check if we're being asked to print a pretty message | |
if ( func_num_args() == 2 && is_string( func_get_arg(0) ) ) { | |
$msg = array( | |
PJID, | |
'L' . $caller['line'], | |
func_get_arg(0), | |
':', | |
var_export( func_get_arg(1), true ), | |
); | |
// Do the message | |
error_log( implode( ' ', $msg ) ); | |
} | |
else { | |
// Otherwise, just print each message/var accordingly. | |
foreach ( func_get_args() as $arg ) { | |
// Add the ID to our message | |
$msg = array( PJID ); | |
// and the line number | |
$msg[] = 'L' . $caller['line']; | |
// This is just a string, so chuck it straight out. | |
if ( is_string( $arg ) ) | |
$msg[] = $arg; | |
else // a variable, so var_export it | |
$msg[] = var_export( $arg, true ); | |
// Do the message | |
error_log( implode( ' ', $msg ) ); | |
} | |
} | |
} | |
?> |
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