3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = null; if ($x['cats']){ echo 'haha'; } else{ echo 'no'; }

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)
8.3.60.0030.01025.92
8.3.50.0170.00325.92
8.3.40.0090.00625.92
8.2.180.0100.00725.92
8.2.170.0030.01725.92
8.1.280.0090.00625.92
7.4.10.0230.00716.48
7.4.00.0080.01015.42
7.3.130.0210.00316.08
7.3.120.0150.00515.50
7.3.110.0100.01015.62
7.3.100.0060.01115.58
7.3.90.0100.00615.69
7.3.80.0110.00515.65
7.3.70.0060.01115.41
7.3.60.0080.00614.01
7.3.50.0080.01015.44
7.3.40.0150.00915.16
7.3.30.0120.00815.30
7.3.20.0370.00614.93
7.3.10.0120.00415.33
7.3.00.0320.00515.47
7.2.260.0190.00516.33
7.2.250.0120.01015.59
7.2.240.0120.01015.75
7.2.230.0140.00515.82
7.2.220.0100.00615.60
7.2.210.0140.00615.70
7.2.200.0090.00715.59
7.2.190.0090.01115.77
7.2.180.0100.00814.00
7.2.170.0070.01515.65
7.2.160.0190.01316.02
7.2.150.1090.00716.41
7.2.140.0170.01116.25
7.2.130.0220.00717.45
7.2.120.0080.01417.51
7.2.110.0160.00717.57
7.2.100.0430.01016.66
7.2.90.0200.00417.37
7.2.80.0110.01014.84
7.2.70.0140.00615.04
7.2.60.0340.00515.61
7.2.50.0110.00715.07
7.2.40.0040.00715.02
7.2.30.0050.00415.05
7.2.20.0130.00214.98
7.2.10.0120.00214.96
7.2.00.0280.00515.01
7.1.330.0090.00816.43
7.1.320.0890.01015.52
7.1.310.0080.01016.43
7.1.300.0060.00914.35
7.1.290.0150.00816.55
7.1.280.0160.00916.31
7.1.270.0790.01115.63
7.1.260.0530.00715.67
7.1.250.0140.01015.53
7.1.240.0250.00614.28
7.1.230.0480.01515.56
7.1.220.0940.01415.41
7.1.210.0160.00513.13
7.1.200.0620.00515.57
7.1.190.0510.01113.13
7.1.180.0170.01313.16
7.1.170.0300.00717.28
7.1.160.0250.01117.06
7.1.150.1080.00715.46
7.1.140.0330.00617.40
7.1.130.0240.00514.32
7.1.120.1140.00715.22
7.1.110.0910.00315.30
7.1.100.0500.00515.60
7.1.90.0410.00413.13
7.1.80.0140.00513.13
7.1.70.0400.00515.02
7.1.60.0530.00417.37
7.1.50.0140.01016.04
7.1.40.0790.01015.61
7.1.30.0300.00613.13
7.1.20.0970.01415.39
7.1.10.0410.00413.13
7.1.00.0320.04518.83
7.0.330.0620.01315.04
7.0.320.0240.01116.71
7.0.310.0520.01013.13
7.0.300.0810.00713.13
7.0.290.0150.00313.13
7.0.280.0840.00713.13
7.0.270.0140.00713.13
7.0.260.0160.00813.13
7.0.250.0170.00913.13
7.0.240.1070.00315.16
7.0.230.0650.00715.23
7.0.220.0670.01414.97
7.0.210.0350.00316.99
7.0.200.0500.00615.87
7.0.190.0150.00213.13
7.0.180.0670.00713.13
7.0.170.0340.01315.01
7.0.160.0150.00913.13
7.0.150.0910.00315.07
7.0.140.0170.01415.05
7.0.130.0210.01216.86
7.0.120.0300.00317.18
7.0.110.0940.01015.05
7.0.100.0290.00616.91
7.0.90.0260.00616.93
7.0.80.0140.01416.90
7.0.70.1210.00315.00
7.0.60.0120.04418.37
7.0.50.0110.02015.50
7.0.40.0080.02416.60
7.0.30.0210.03817.57
7.0.20.0220.02617.45
7.0.10.0230.03517.45
7.0.00.0060.02817.44
5.6.400.0180.00915.77
5.6.390.0160.00013.13
5.6.380.0130.01315.88
5.6.370.0220.01015.70
5.6.360.0160.01115.48
5.6.350.0220.00415.97
5.6.340.0210.00916.19
5.6.330.0080.00013.13
5.6.320.0250.00013.13
5.6.310.0110.00413.13
5.6.300.0180.00013.13
5.6.290.0180.00613.13
5.6.280.0090.03418.52
5.6.270.0160.00413.13
5.6.260.0130.00613.13
5.6.250.0150.00613.13
5.6.240.0130.01615.92
5.6.230.0250.00415.75
5.6.220.0110.01115.80
5.6.210.0090.04018.13
5.6.200.0140.03316.94
5.6.190.0150.04618.23
5.6.180.1860.02216.76
5.6.170.0260.03118.09
5.6.160.0120.02618.01
5.6.150.0100.04817.06
5.6.140.0120.03016.95
5.6.130.0190.03816.89
5.6.120.0120.03418.45
5.6.110.0230.03718.51
5.6.100.0140.03418.49
5.6.90.0120.05018.32
5.6.80.0160.02517.98
5.6.70.0190.04118.15
5.6.60.0150.00915.66
5.6.50.0160.01115.77
5.6.40.0120.01215.81
5.6.30.0170.00815.76
5.6.20.0100.01015.80
5.6.10.0120.01915.54
5.6.00.0140.00713.13
5.5.380.0220.00715.90
5.5.370.0180.00815.89
5.5.360.0160.00813.13
5.5.350.0140.03918.11
5.5.340.0070.03816.84
5.5.330.0170.04718.03
5.5.320.0300.04318.11
5.5.310.0240.04018.00
5.5.300.0110.03516.83
5.5.290.0120.04816.79
5.5.280.0100.02918.42
5.5.270.0120.04418.38
5.5.260.0100.02918.37
5.5.250.0150.04318.21
5.5.240.0250.04018.01
5.5.230.0200.00815.76
5.5.220.0120.01615.81
5.5.210.0190.00615.51
5.5.200.0140.01015.45
5.5.190.0170.01315.52
5.5.180.0140.00915.62
5.5.170.0190.00815.55
5.5.160.0120.01415.89
5.5.150.0150.01215.77
5.5.140.0130.01015.72
5.5.130.0130.01315.71
5.5.120.0160.00313.13
5.5.110.0090.01815.77
5.5.100.0200.00815.62
5.5.90.0170.00715.66
5.5.80.0070.01615.52
5.5.70.0160.00915.90
5.5.60.0100.01315.71
5.5.50.0120.01215.76
5.5.40.0040.02315.59
5.5.30.0160.01215.60
5.5.20.0140.01115.48
5.5.10.0120.01215.61
5.5.00.0160.01015.61
5.4.450.0420.03816.36
5.4.440.0550.03116.37
5.4.430.0410.03516.29
5.4.420.0470.03316.18
5.4.410.0480.02916.23
5.4.400.0450.02816.06
5.4.390.0480.03416.12
5.4.380.0440.03715.98
5.4.370.0470.03216.14
5.4.360.0440.03716.07
5.4.350.0550.02816.03
5.4.340.0420.03716.08
5.4.330.0040.01313.13
5.4.320.0420.03116.15
5.4.310.0460.02816.16
5.4.300.0510.03616.06
5.4.290.0450.03216.15
5.4.280.0380.03416.06
5.4.270.0470.03116.16
5.4.260.0430.02916.06
5.4.250.0400.03516.10
5.4.240.0470.03016.13
5.4.230.0440.03515.99
5.4.220.0400.03615.99
5.4.210.0470.02516.05
5.4.200.0510.03614.94
5.4.190.0440.03616.19
5.4.180.0460.02916.04
5.4.170.0500.03516.12
5.4.160.0430.03715.97
5.4.150.0540.02916.13
5.4.140.0520.03014.77
5.4.130.0510.02314.78
5.4.120.0520.02714.75
5.4.110.0440.02914.74
5.4.100.0480.02914.83
5.4.90.0420.03214.84
5.4.80.0480.02614.65
5.4.70.0430.03014.75
5.4.60.0430.03514.65
5.4.50.0550.01814.72
5.4.40.0520.02114.76
5.4.30.0430.03514.79
5.4.20.0480.02914.72
5.4.10.0470.02914.80
5.4.00.0550.03814.41
5.3.290.0900.05014.52
5.3.280.0770.06014.54
5.3.270.1030.05714.63
5.3.260.0870.05314.51
5.3.250.0930.03714.45
5.3.240.0900.04014.41
5.3.230.0800.05314.59
5.3.220.0770.05714.50
5.3.210.0830.05014.43
5.3.200.0800.05014.49
5.3.190.0770.05314.54
5.3.180.0770.05714.43
5.3.170.0930.05714.38
5.3.160.0900.05314.56
5.3.150.0870.05314.47
5.3.140.0830.05714.55
5.3.130.0900.04714.55
5.3.120.0930.05314.41
5.3.110.0870.05314.48
5.3.100.0070.06013.98
5.3.90.0130.04313.96
5.3.80.0100.05013.85
5.3.70.0470.06313.95
5.3.60.0730.05013.95
5.3.50.0770.06313.87
5.3.40.0670.05313.86
5.3.30.0600.05713.70
5.3.20.0800.04313.54
5.3.10.0900.05013.59
5.3.00.0700.05713.66
5.2.170.0730.03311.04
5.2.160.0530.04311.20
5.2.150.0600.04711.14
5.2.140.0670.04011.05
5.2.130.0700.03310.99
5.2.120.0530.05011.14
5.2.110.0730.03311.09
5.2.100.0730.03311.02
5.2.90.0670.04310.89
5.2.80.0870.04711.08
5.2.70.0700.04311.09
5.2.60.0870.03710.89
5.2.50.0570.04310.90
5.2.40.0600.03710.99
5.2.30.0530.03710.79
5.2.20.0470.04010.84
5.2.10.0500.03310.75
5.2.00.0500.04310.58
5.1.60.0530.0379.92
5.1.50.0400.0379.96
5.1.40.0470.0339.90
5.1.30.0470.03310.27
5.1.20.0470.03310.27
5.1.10.0500.03710.05
5.1.00.0400.0409.99
5.0.50.0370.0338.42
5.0.40.0270.0308.32
5.0.30.0170.0508.23
5.0.20.0270.0278.34
5.0.10.0230.0308.07
5.0.00.0200.0478.15
4.4.90.0270.0205.77
4.4.80.0230.0235.85
4.4.70.0330.0175.83
4.4.60.0230.0205.72
4.4.50.0230.0235.77
4.4.40.0270.0305.73
4.4.30.0230.0205.84
4.4.20.0200.0235.87
4.4.10.0200.0235.90
4.4.00.0270.0375.92
4.3.110.0300.0135.71
4.3.100.0170.0275.78
4.3.90.0230.0205.76
4.3.80.0170.0375.67
4.3.70.0270.0235.79
4.3.60.0200.0235.79
4.3.50.0230.0205.64
4.3.40.0300.0335.74
4.3.30.0170.0234.56
4.3.20.0100.0234.57
4.3.10.0170.0204.50
4.3.00.0200.0177.36

preferences:
49.02 ms | 401 KiB | 5 Q