3v4l.org

run code in 300+ PHP versions simultaneously
<?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)); } exit;

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.4.10.0130.00315.00
7.4.00.0130.00614.68
7.3.130.0100.01014.88
7.3.120.0070.01114.87
7.3.110.0070.01114.61
7.3.100.0100.00315.01
7.3.90.0060.00314.57
7.3.80.0040.01215.00
7.3.70.0030.01314.60
7.3.60.0040.00714.73
7.3.50.0080.00414.90
7.3.40.0090.00314.88
7.3.30.0060.00614.66
7.3.20.0030.01016.54
7.3.10.0110.00816.31
7.3.00.0140.00616.69
7.2.260.0120.00614.77
7.2.250.0100.00715.07
7.2.240.0070.01014.79
7.2.230.0120.00614.81
7.2.220.0070.00714.88
7.2.210.0080.00615.27
7.2.200.0110.00414.97
7.2.190.0110.00614.90
7.2.180.0040.01115.09
7.2.170.0110.00314.79
7.2.160.0070.00715.07
7.2.150.0100.00016.82
7.2.140.0030.00717.10
7.2.130.0120.00616.58
7.2.120.0110.00816.56
7.2.110.0140.00716.66
7.2.100.0090.01116.54
7.2.90.0090.00816.45
7.2.80.0050.00916.47
7.2.70.0100.00916.32
7.2.60.0090.00615.99
7.2.50.0450.01015.92
7.2.40.0100.00516.05
7.2.30.0320.00516.01
7.2.20.0320.00615.89
7.2.10.0350.00415.95
7.2.00.0510.00816.15
7.1.330.0090.00615.92
7.1.320.0110.00615.71
7.1.310.0080.00815.84
7.1.300.0000.01615.55
7.1.290.0040.00815.64
7.1.280.0070.00315.77
7.1.270.0000.01615.72
7.1.260.0000.01515.86
7.1.250.0130.00415.51
7.1.240.0040.00815.82
7.1.230.0110.00315.70
7.1.220.0030.01415.82
7.1.210.0000.00915.91
7.1.200.0000.01215.76
7.1.190.0070.00715.74
7.1.180.0100.01015.83
7.1.170.0110.00314.77
7.1.160.0510.00514.95
7.1.150.0550.00814.93
7.1.140.0430.00714.58
7.1.130.0290.00814.62
7.1.120.0570.00314.60
7.1.110.0450.00714.73
7.1.100.0170.00314.44
7.1.90.0140.00814.63
7.1.80.0540.00514.78
7.1.70.0480.00414.63
7.1.60.0540.01023.79
7.1.50.0670.00823.52
7.1.40.0660.00823.72
7.1.30.0650.00723.78
7.1.20.0690.00523.64
7.1.10.0510.00714.64
7.1.00.0410.00614.52
7.0.330.0070.01015.39
7.0.320.0030.01015.51
7.0.310.0060.00615.38
7.0.300.0090.00615.11
7.0.290.0100.00315.41
7.0.280.0130.00015.50
7.0.270.0060.01015.36
7.0.260.0070.00715.35
7.0.250.0030.01215.51
7.0.240.0070.00415.34
7.0.230.0060.00615.44
7.0.220.0030.00715.34
7.0.210.0000.01315.33
7.0.200.0040.01115.39
7.0.190.0040.00815.50
7.0.180.0080.00415.34
7.0.170.0060.00615.45
7.0.160.0040.01215.27
7.0.150.0040.01015.20
7.0.140.0030.01315.42
7.0.130.0030.01315.38
7.0.120.0070.00715.30
7.0.110.0110.00415.38
7.0.100.0040.00815.16
7.0.90.0070.00715.18
7.0.80.0030.01015.50
7.0.70.0070.00715.37
7.0.60.0090.00615.48
7.0.50.0110.00415.60
7.0.40.0030.01013.56
7.0.30.0030.01013.62
7.0.20.0000.01013.59
7.0.10.0060.00613.28
7.0.00.0000.01313.47
5.6.400.0000.01114.52
5.6.390.0030.01014.54
5.6.380.0090.00614.41
5.6.370.0050.00814.41
5.6.360.0070.01014.25
5.6.350.0030.01014.55
5.6.340.0030.01014.28
5.6.330.0060.00614.20
5.6.320.0070.00713.90
5.6.310.0030.01014.46
5.6.300.0000.00914.23
5.6.290.0100.00614.57
5.6.280.0000.01514.39
5.6.270.0090.00314.21
5.6.260.0070.00314.48
5.6.250.0060.00313.96
5.6.240.0070.01014.24
5.6.230.0000.01314.30
5.6.220.0040.00814.64
5.6.210.0030.01214.40
5.6.200.0090.00314.27
5.6.190.0000.01714.17
5.6.180.0100.00714.04
5.6.170.0130.00314.38
5.6.160.0040.01114.41
5.6.150.0140.00014.24
5.6.140.0090.00614.32
5.6.130.0110.00014.29
5.6.120.0080.00314.35
5.6.110.0030.01014.21
5.6.100.0040.00414.41
5.6.90.0050.00814.18
5.6.80.0060.01014.01
5.6.70.0060.00614.37
5.6.60.0120.00614.30
5.6.50.0070.00714.09
5.6.40.0030.01014.28
5.6.30.0050.00514.48
5.6.20.0050.00514.19
5.6.10.0150.00014.18
5.6.00.0030.01014.29

preferences:
42.55 ms | 401 KiB | 5 Q