3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = ['foo' => 'bar']; var_dump(array_key_exists('foo', $array)); var_dump(isset($array['foo']));

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)
8.3.60.0120.00918.54
8.3.50.0070.01116.61
8.3.40.0090.00618.69
8.3.30.0070.00718.76
8.3.20.0000.00818.54
8.3.10.0070.01023.65
8.3.00.0080.00020.95
8.2.180.0100.01018.16
8.2.170.0110.00422.96
8.2.160.0070.00719.04
8.2.150.0060.00624.18
8.2.140.0040.00424.66
8.2.130.0070.00022.20
8.2.120.0070.00026.35
8.2.110.0060.00620.89
8.2.100.0080.00417.71
8.2.90.0040.00419.17
8.2.80.0050.00317.97
8.2.70.0030.00517.63
8.2.60.0040.00417.80
8.2.50.0090.00018.10
8.2.40.0030.00920.28
8.2.30.0070.00020.58
8.2.20.0000.00817.67
8.2.10.0000.00818.04
8.2.00.0040.00418.04
8.1.280.0190.00325.92
8.1.270.0040.00423.79
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0100.00022.53
8.1.230.0040.00719.60
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00316.99
8.1.190.0000.00917.11
8.1.180.0000.00818.10
8.1.170.0050.00318.59
8.1.160.0030.00320.89
8.1.150.0040.00318.76
8.1.140.0040.00419.45
8.1.130.0030.00317.64
8.1.120.0070.00017.32
8.1.110.0070.00017.39
8.1.100.0040.00717.29
8.1.90.0080.00017.38
8.1.80.0000.00717.24
8.1.70.0000.00717.26
8.1.60.0000.00917.53
8.1.50.0050.00317.34
8.1.40.0040.00417.35
8.1.30.0050.00317.46
8.1.20.0070.00017.47
8.1.10.0080.00017.23
8.1.00.0040.00417.33
8.0.300.0040.00418.77
8.0.290.0000.00816.58
8.0.280.0030.00318.34
8.0.270.0000.00817.16
8.0.260.0000.00617.19
8.0.250.0040.00416.93
8.0.240.0040.00416.88
8.0.230.0050.00216.91
8.0.220.0030.00516.80
8.0.210.0070.00016.76
8.0.200.0000.00716.86
8.0.190.0040.00416.84
8.0.180.0000.00716.84
8.0.170.0040.00416.84
8.0.160.0040.00416.79
8.0.150.0050.00216.79
8.0.140.0000.00816.69
8.0.130.0040.00413.24
8.0.120.0040.00416.70
8.0.110.0000.00716.69
8.0.100.0000.00816.82
8.0.90.0020.00516.84
8.0.80.0060.00916.76
8.0.70.0050.00216.85
8.0.60.0050.00216.78
8.0.50.0050.00316.93
8.0.30.0070.01116.99
8.0.20.0100.00917.40
8.0.10.0000.00716.95
8.0.00.0080.01016.60
7.4.330.0000.00615.08
7.4.320.0070.00016.59
7.4.300.0000.00616.59
7.4.290.0070.00016.44
7.4.280.0040.00416.51
7.4.270.0040.00416.60
7.4.260.0040.00416.57
7.4.250.0000.00716.38
7.4.240.0070.00016.61
7.4.230.0070.00016.58
7.4.220.0070.01116.53
7.4.210.0110.00316.54
7.4.200.0030.00316.40
7.4.160.0110.00416.59
7.4.150.0090.00917.40
7.4.140.0120.00917.86
7.4.130.0120.00516.47
7.4.120.0090.00816.48
7.4.110.0090.01316.63
7.4.100.0130.00616.61
7.4.90.0090.00916.45
7.4.80.0060.00919.39
7.4.70.0050.01016.57
7.4.60.0040.01116.39
7.4.50.0100.00616.67
7.4.40.0120.00616.48
7.4.30.0060.00916.61
7.4.00.0000.01315.11
7.3.330.0050.00012.93
7.3.320.0030.00313.13
7.3.310.0040.00416.14
7.3.300.0030.00316.13
7.3.290.0060.01016.21
7.3.280.0080.01116.22
7.3.270.0090.00917.40
7.3.260.0080.00916.14
7.3.250.0070.01016.14
7.3.240.0030.01316.33
7.3.230.0130.00316.39
7.3.210.0120.00716.51
7.3.200.0090.00716.11
7.3.190.0080.00816.58
7.3.180.0130.00316.43
7.3.170.0110.01116.30
7.3.160.0090.00616.46
7.3.120.0000.01214.77
7.3.110.0060.00614.64
7.3.100.0000.01314.98
7.3.90.0050.00514.61
7.3.80.0120.00314.45
7.3.70.0000.00814.63
7.3.60.0080.00414.53
7.3.50.0000.01514.67
7.3.40.0040.01114.76
7.3.30.0090.00614.75
7.3.20.0080.00816.47
7.3.10.0110.00016.61
7.3.00.0040.00716.45
7.2.330.0090.00916.43
7.2.320.0080.00816.55
7.2.310.0130.00316.39
7.2.300.0070.01016.34
7.2.290.0070.01416.61
7.2.240.0030.00714.88
7.2.230.0070.00315.16
7.2.220.0070.00715.04
7.2.210.0040.01214.78
7.2.200.0060.01014.84
7.2.190.0040.01114.77
7.2.180.0100.00614.85
7.2.170.0000.01614.92
7.2.160.0100.00314.71
7.2.150.0110.00716.64
7.2.140.0100.00316.91
7.2.130.0060.00316.81
7.2.120.0030.00616.63
7.2.110.0060.00316.80
7.2.100.0060.00916.95
7.2.90.0070.00716.62
7.2.80.0110.00416.93
7.2.70.0120.00317.02
7.2.60.0050.00916.86
7.2.50.0070.01016.80
7.2.40.0060.00616.78
7.2.30.0090.00616.88
7.2.20.0120.00316.86
7.2.10.0040.01116.48
7.2.00.0150.00016.85
7.1.330.0030.01015.59
7.1.320.0000.01715.69
7.1.310.0000.01415.84
7.1.300.0040.00715.65
7.1.290.0090.00315.48
7.1.280.0030.00815.75
7.1.270.0070.00415.42
7.1.260.0040.01215.81
7.1.250.0000.01315.63
7.1.200.0030.01015.70
7.1.100.0030.01018.13
7.1.70.0060.00617.05
7.1.60.0070.01820.41
7.1.00.0030.07722.57
7.0.200.0000.00816.72
7.0.60.0200.03020.06
7.0.50.0000.09017.86
7.0.40.0200.06020.22
7.0.30.0230.05320.20
7.0.20.0130.06720.16
7.0.10.0200.06720.09
7.0.00.0100.07020.00
5.6.280.0000.07721.10
5.6.210.0170.06720.50
5.6.200.0130.05018.13
5.6.190.0100.07020.56
5.6.180.0230.05720.38
5.6.170.0230.05020.47
5.6.160.0030.07720.36
5.6.150.0270.05320.36
5.6.140.0200.06320.33
5.6.130.0170.06320.33
5.6.120.0100.06720.12
5.6.110.0530.06320.31
5.6.100.0370.06720.20
5.6.90.0470.07320.51
5.6.80.0670.05719.63
5.6.70.0200.05019.68
5.6.60.0230.04719.68
5.6.50.0200.05319.72
5.6.40.0200.05319.72
5.6.30.0230.06019.69
5.6.20.0670.07019.69
5.6.10.0600.05319.79
5.6.00.0100.07019.65
5.5.350.0400.06720.48
5.5.340.0070.08017.92
5.5.330.0130.06320.30
5.5.320.0200.06020.43
5.5.310.0330.05320.23
5.5.300.0230.05720.13
5.5.290.0230.05720.10
5.5.280.0330.04020.13
5.5.270.0600.05720.00
5.5.260.0530.06720.08
5.5.250.0630.05320.02
5.5.240.0530.07019.52
5.5.230.0170.05319.64
5.5.220.0270.05319.32
5.5.210.0100.06019.59
5.5.200.0130.05719.46
5.5.190.0500.06019.30
5.5.180.0500.05319.48
5.5.160.0230.04719.36
5.5.150.0230.05319.41
5.5.140.0270.04719.42
5.5.130.0130.05719.47
5.5.120.0230.05319.56
5.5.110.0200.05319.39
5.5.100.0100.06319.20
5.5.90.0200.05719.46
5.5.80.0200.05319.48
5.5.70.0230.05719.18
5.5.60.0330.06319.37
5.5.50.0300.06019.45
5.5.40.0300.06719.29
5.5.30.0230.07319.47
5.5.20.0400.06019.30
5.5.10.0130.07319.29
5.5.00.0230.04319.41

preferences:
63.42 ms | 401 KiB | 5 Q