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Merge pull request #106 from runcommand/15-disable-opcode-cach

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Disable opcode cache when using `register_tick_function()`
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Daniel Bachhuber 2016-10-19 19:11:15 -07:00 • committed by GitHub
commit 52097094d1
1 changed files with 18 additions and 0 deletions
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18
inc/class-profiler.php
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@ -117,6 +117,24 @@ class Profiler {
* Start profiling function calls on the end of this filter
*/
public function wp_tick_profile_begin( $value = null ) {
// Disable opcode optimizers. These "optimize" calls out of the stack
// and hide calls from the tick handler and backtraces.
// Copied from P3 Profiler
if ( extension_loaded( 'xcache' ) ) {
@ini_set( 'xcache.optimizer', false );
} elseif ( extension_loaded( 'apc' ) ) {
@ini_set( 'apc.optimization', 0 );
apc_clear_cache();
} elseif ( extension_loaded( 'eaccelerator' ) ) {
@ini_set( 'eaccelerator.optimizer', 0 );
if ( function_exists( 'eaccelerator_optimizer' ) ) {
@eaccelerator_optimizer( false );
}
} elseif ( extension_loaded( 'Zend Optimizer+' ) ) {
@ini_set( 'zend_optimizerplus.optimization_level', 0 );
}
register_tick_function( array( $this, 'handle_function_tick' ) );
declare( ticks = 1 );
return $value;