3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = null; $var = new stdClass(); $time = microtime(true); for ($i = 0; $i <= 1000000; $i++) { if (!$var) {} } $time = microtime(true) - $time; echo "Time using '!': $time\n"; $time = microtime(true); for ($i = 0; $i <= 1000000; $i++) { if ($var === null) {} } $time = microtime(true) - $time; echo "Time using '===': $time\n";

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)
7.4.10.0130.03614.95
7.4.00.0100.04014.68
7.3.130.0100.04514.73
7.3.120.0070.04614.81
7.3.110.0030.05314.77
7.3.100.0070.02914.47
7.3.90.0030.02914.75
7.3.80.0030.03014.82
7.3.70.0100.03214.86
7.3.60.0100.02614.82
7.3.50.0030.03314.65
7.3.40.0060.02514.81
7.3.30.0040.03214.67
7.3.20.0030.03216.74
7.3.10.0000.03716.63
7.3.00.0070.03016.41
7.2.260.0030.05614.84
7.2.250.0030.05715.09
7.2.240.0000.03915.13
7.2.230.0030.04415.26
7.2.220.0000.03915.15
7.2.210.0070.03615.09
7.2.200.0000.04115.16
7.2.190.0000.03815.10
7.2.180.0000.04714.91
7.2.170.0000.03815.07
7.2.160.0100.02914.89
7.2.150.0100.03016.61
7.2.140.0030.04317.09
7.2.130.0070.04416.60
7.2.120.0030.03717.00
7.2.110.0070.05716.75
7.2.100.0030.03817.01
7.2.90.0030.04517.14
7.2.80.0060.03816.96
7.2.70.0100.04216.80
7.2.60.0030.04116.97
7.2.50.0030.04616.81
7.2.40.0030.04016.96
7.2.30.0030.03317.08
7.2.20.0030.04016.89
7.2.10.0000.04017.04
7.2.00.0030.04218.09
7.1.330.0130.08715.74
7.1.320.0030.09615.75
7.1.310.0030.10615.84
7.1.300.0100.08915.86
7.1.290.0070.09115.73
7.1.280.0070.09115.87
7.1.270.0030.09415.67
7.1.260.0030.09215.88
7.1.250.0070.08915.83
7.1.240.0070.11115.81
7.1.230.0030.09315.95
7.1.220.0070.08915.88
7.1.210.0000.09715.71
7.1.200.0100.08715.77
7.1.190.0070.08715.84
7.1.180.0070.10015.91
7.1.170.0070.08915.95
7.1.160.0000.11215.98
7.1.150.0030.09215.72
7.1.140.0000.08815.93
7.1.130.0070.08815.90
7.1.120.0070.10815.83
7.1.110.0070.08915.61
7.1.100.0030.08915.80
7.1.90.0070.09615.91
7.1.80.0030.11615.90
7.1.70.0050.06316.39
7.1.60.0070.08517.64
7.1.50.0080.08216.60
7.1.40.0000.09715.85
7.1.30.0070.09315.84
7.1.20.0000.09715.86
7.1.10.0000.10815.77
7.1.00.0070.10318.96
7.0.330.0070.09115.23
7.0.320.0070.09615.64
7.0.310.0000.09315.22
7.0.300.0030.09115.20
7.0.290.0000.09015.32
7.0.280.0030.09215.27
7.0.270.0070.09715.61
7.0.260.0000.09115.45
7.0.250.0000.10115.15
7.0.240.0030.09515.55
7.0.230.0070.09215.55
7.0.220.0100.09915.54
7.0.210.0030.09315.50
7.0.200.0050.06416.02
7.0.190.0000.09715.54
7.0.180.0030.09115.51
7.0.170.0000.09415.47
7.0.160.0030.09915.61
7.0.150.0030.09915.14
7.0.140.0030.10418.72
7.0.130.0070.09015.58
7.0.120.0070.10215.29
7.0.110.0000.09915.47
7.0.100.0070.10915.29
7.0.90.0000.11715.57
7.0.80.0000.09415.40
7.0.70.0100.08315.24
7.0.60.0030.07817.58
7.0.50.0030.10916.58
7.0.40.0120.10315.67
7.0.30.0030.08315.61
7.0.20.0020.09715.61
7.0.10.0070.10115.59
7.0.00.0070.11215.54
5.6.400.0030.22314.46
5.6.390.0030.24214.46
5.6.380.0000.22414.33
5.6.370.0070.21314.31
5.6.360.0030.23714.63
5.6.350.0000.22314.27
5.6.340.0070.23114.47
5.6.330.0000.21714.48
5.6.320.0030.22114.66
5.6.310.0000.21914.33
5.6.300.0030.22414.71
5.6.290.0030.23314.26
5.6.280.0050.21417.75
5.6.270.0070.22414.11
5.6.260.0070.23014.57
5.6.250.0130.20714.38
5.6.240.0000.24414.30
5.6.230.0070.22614.52
5.6.220.0070.22014.28
5.6.210.0080.19817.36
5.6.200.0070.16016.25
5.6.190.0020.19316.15
5.6.180.0070.20716.27
5.6.170.0030.20316.34
5.6.160.0030.19716.23
5.6.150.0080.19316.15
5.6.140.0120.17716.33
5.6.130.0080.19616.22
5.6.120.0020.16716.27
5.6.110.0020.18916.21
5.6.100.0070.16616.28
5.6.90.0050.18216.13
5.6.80.0100.17915.82
5.6.70.0020.18615.87
5.6.60.0020.16716.03
5.6.50.0080.20915.78
5.6.40.0020.19415.84
5.6.30.0050.19915.99
5.6.20.0070.19215.86
5.6.10.0080.18215.93
5.6.00.0030.21715.87
5.5.380.0030.24214.43
5.5.370.0100.20914.42
5.5.360.0030.23514.29
5.5.350.0050.19717.44
5.5.340.0080.19516.02
5.5.330.0070.20616.21
5.5.320.0020.20616.06
5.5.310.0080.20716.24
5.5.300.0100.20716.18
5.5.290.0070.19516.22
5.5.280.0050.17416.07
5.5.270.0080.16916.04
5.5.260.0020.19716.23
5.5.250.0020.17916.11
5.5.240.0050.17215.71
5.5.230.0050.16515.77
5.5.220.0050.19015.85
5.5.210.0080.16915.67
5.5.200.0070.19415.84
5.5.190.0050.20815.71
5.5.180.0030.19615.84
5.5.170.0070.21514.41
5.5.160.0050.18415.78
5.5.150.0030.21815.81
5.5.140.0050.17215.85
5.5.130.0080.19415.80
5.5.120.0070.21815.74
5.5.110.0080.22215.68
5.5.100.0080.17915.65
5.5.90.0080.18715.58
5.5.80.0050.18815.68
5.5.70.0080.21415.72
5.5.60.0030.17615.62
5.5.50.0050.22315.63
5.5.40.0020.18615.62
5.5.30.0080.19715.64
5.5.20.0030.19915.57
5.5.10.0030.23215.60
5.5.00.0050.19715.58
5.4.450.0030.19615.77
5.4.440.0030.18515.80
5.4.430.0070.16815.82
5.4.420.0050.17215.71
5.4.410.0000.18115.65
5.4.400.0000.17315.63
5.4.390.0070.16915.63
5.4.380.0050.17215.70
5.4.370.0030.18415.66
5.4.360.0020.18915.62
5.4.350.0050.22315.63
5.4.340.0080.22015.60
5.4.330.0070.25312.29
5.4.320.0050.20015.63
5.4.310.0030.22215.69
5.4.300.0050.20015.55
5.4.290.0080.21915.63
5.4.280.0100.17415.63
5.4.270.0050.23215.62
5.4.260.0020.19215.64
5.4.250.0130.17315.64
5.4.240.0050.16415.62
5.4.230.0080.19315.63
5.4.220.0070.19315.69
5.4.210.0050.22115.74
5.4.200.0030.18115.70
5.4.190.0030.20315.70
5.4.180.0070.20615.64
5.4.170.0050.19615.63
5.4.160.0070.20915.67
5.4.150.0120.19315.61
5.4.140.0120.19014.22
5.4.130.0100.20614.22
5.4.120.0020.18514.27
5.4.110.0050.21814.33
5.4.100.0070.19514.35
5.4.90.0080.19914.28
5.4.80.0030.19414.34
5.4.70.0050.19914.28
5.4.60.0080.19614.27
5.4.50.0030.20114.33
5.4.40.0020.20814.24
5.4.30.0030.22814.38
5.4.20.0100.19814.26
5.4.10.0050.20214.32
5.4.00.0030.19114.03
5.3.290.0070.20913.46
5.3.280.0070.18313.37
5.3.270.0030.21913.43
5.3.260.0100.19613.44
5.3.250.0020.18413.42
5.3.240.0030.20513.43
5.3.230.0050.23713.43
5.3.220.0050.20813.41
5.3.210.0020.22913.41
5.3.200.0050.19913.39
5.3.190.0070.22213.39
5.3.180.0070.22313.41
5.3.170.0080.22013.46
5.3.160.0100.21613.38
5.3.150.0020.22613.41
5.3.140.0020.19813.40
5.3.130.0070.25013.33
5.3.120.0080.19213.39
5.3.110.0070.22213.38
5.3.100.0030.24013.09
5.3.90.0030.24013.14
5.3.80.0000.21613.12
5.3.70.0020.22913.12
5.3.60.0070.23013.13
5.3.50.0020.21213.10
5.3.40.0070.18513.10
5.3.30.0030.20713.07
5.3.20.0120.20812.97
5.3.10.0020.20412.96
5.3.00.0080.21512.92
5.2.170.0000.15711.29
5.2.160.0030.20310.96
5.2.150.0070.13711.11
5.2.140.0030.14310.97
5.2.130.0070.19311.24
5.2.120.0030.19711.25
5.2.110.0000.18311.07
5.2.100.0030.14010.93
5.2.90.0070.17311.01
5.2.80.0030.14011.12
5.2.70.0070.20711.06
5.2.60.0070.13711.08
5.2.50.0000.20310.84
5.2.40.0100.19710.97
5.2.30.0130.19010.96
5.2.20.0000.23010.94
5.2.10.0030.13310.75
5.2.00.0030.16010.71
5.1.60.0030.18710.06
5.1.50.0000.2109.96
5.1.40.0000.1379.88
5.1.30.0070.19010.34
5.1.20.0000.20310.34
5.1.10.0070.18010.12
5.1.00.0030.1509.90
5.0.50.0000.3038.78
5.0.40.0100.3608.62
5.0.30.0030.3678.27
5.0.20.0000.2908.20
5.0.10.0000.3978.20
5.0.00.0000.3538.20
4.4.90.0030.25710.11
4.4.80.0000.27010.11
4.4.70.0030.3137.52
4.4.60.0000.2807.52
4.4.50.0030.3107.52
4.4.40.0000.3007.52
4.4.30.0000.2837.52
4.4.20.0030.3307.52
4.4.10.0000.3837.52
4.4.00.0030.3407.52
4.3.110.0030.3077.52
4.3.100.0000.3077.52
4.3.90.0070.3107.52
4.3.80.0000.3077.52
4.3.70.0030.3207.52
4.3.60.0000.2637.52
4.3.50.0000.3037.52
4.3.40.0000.2907.52
4.3.30.0030.3077.52
4.3.20.0000.3137.52
4.3.10.0000.3177.52
4.3.00.0030.2507.52

preferences:
38.29 ms | 401 KiB | 5 Q