Online PHP editor | perf for T5qsG

<?php class NonLeakingClass { } #echo "Test empty object memory leakage" . PHP_EOL; // WARNING: Uncomment this line and PHP stops to leak memory on object creation, strange :) for ($h = 0; $h < 5; $h++) { var_dump(memory_get_usage(false)); $a = new NonLeakingClass(); unset($a); gc_collect_cycles(); var_dump(memory_get_usage(false)); } echo PHP_EOL . "Test a array data storage for memory leakage" . PHP_EOL; var_dump(memory_get_usage(false)); $a = ["memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak"]; unset($a); gc_collect_cycles(); var_dump(memory_get_usage(false)); echo PHP_EOL . "Test a string data storage for memory leakage" . PHP_EOL; var_dump(memory_get_usage(false)); $a = "memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak memory leak"; unset($a); gc_collect_cycles(); var_dump(memory_get_usage(false)); exit;

Version	System time (s)	User time (s)	Memory (MiB)
7.2.10	0.113	0.007	14.73
7.2.9	0.009	0.012	14.54
7.2.8	0.012	0.004	14.69
7.2.7	0.031	0.008	15.18
7.2.6	0.031	0.005	15.06
7.2.5	0.067	0.006	15.20
7.2.4	0.028	0.007	15.09
7.2.3	0.066	0.006	15.03
7.2.2	0.060	0.007	14.96
7.2.1	0.038	0.006	14.82
7.2.0	0.032	0.009	15.00
7.1.21	0.009	0.004	13.57
7.1.20	0.009	0.007	13.73
7.1.19	0.134	0.003	14.05
7.1.18	0.006	0.012	13.86
7.1.17	0.040	0.009	13.90
7.1.16	0.048	0.007	13.73
7.1.15	0.021	0.007	13.75
7.1.14	0.034	0.008	13.83
7.1.13	0.036	0.005	13.75
7.1.12	0.084	0.009	13.78
7.1.11	0.033	0.005	13.83
7.1.10	0.032	0.008	13.95
7.1.9	0.064	0.006	13.71
7.1.8	0.069	0.006	13.84
7.1.7	0.066	0.008	13.81
7.1.6	0.089	0.007	31.76
7.1.5	0.111	0.010	31.91
7.1.4	0.087	0.013	31.83
7.1.3	0.084	0.011	31.89
7.1.2	0.087	0.011	31.59
7.1.1	0.053	0.010	13.84
7.1.0	0.061	0.008	13.92