3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2); if (array_keys_exist('1', $a)) { echo "--------------"; }

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)
8.3.60.0070.00716.75
8.3.50.0290.01121.21
8.3.40.0090.00618.82
8.3.30.0070.00718.84
8.3.20.0080.00020.34
8.3.10.0040.00421.79
8.3.00.0000.01423.61
8.2.180.0150.00316.75
8.2.170.0150.00322.96
8.2.160.0070.00720.35
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00019.70
8.2.120.0040.00426.35
8.2.110.0070.00319.39
8.2.100.0040.00817.78
8.2.90.0000.00817.63
8.2.80.0000.00719.16
8.2.70.0050.00317.92
8.2.60.0080.00017.80
8.2.50.0050.00318.10
8.2.40.0040.00420.44
8.2.30.0070.00019.41
8.2.20.0040.00417.59
8.2.10.0060.00318.06
8.2.00.0040.00418.04
8.1.280.0090.00625.92
8.1.270.0180.00023.71
8.1.260.0080.00028.09
8.1.250.0040.00428.09
8.1.240.0110.00423.88
8.1.230.0060.00620.85
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.25
8.1.190.0060.00317.23
8.1.180.0000.00918.10
8.1.170.0060.00318.50
8.1.160.0070.00020.58
8.1.150.0040.00418.89
8.1.140.0040.00419.52
8.1.130.0030.00317.59
8.1.120.0030.00317.36
8.1.110.0070.00017.27
8.1.100.0040.00417.40
8.1.90.0040.00417.30
8.1.80.0000.00817.43
8.1.70.0080.00017.38
8.1.60.0080.00017.50
8.1.50.0000.00817.54
8.1.40.0080.00017.55
8.1.30.0080.00017.64
8.1.20.0000.00717.67
8.1.10.0040.00417.61
8.1.00.0030.00617.50
8.0.300.0000.01019.98
8.0.290.0050.00216.63
8.0.280.0070.00018.45
8.0.270.0030.00317.20
8.0.260.0040.00417.10
8.0.250.0050.00217.00
8.0.240.0000.00717.00
8.0.230.0060.00016.96
8.0.220.0040.00416.73
8.0.210.0030.00416.79
8.0.200.0030.00316.94
8.0.190.0040.00416.89
8.0.180.0040.00416.87
8.0.170.0000.00816.93
8.0.160.0080.00016.92
8.0.150.0000.00916.91
8.0.140.0000.00716.75
8.0.130.0040.00313.30
8.0.120.0000.00816.81
8.0.110.0070.00016.94
8.0.100.0030.00316.91
8.0.90.0050.00216.84
8.0.80.0100.00716.80
8.0.70.0080.00016.93
8.0.60.0040.00416.86
8.0.50.0040.00416.82
8.0.30.0070.01217.05
8.0.20.0080.01117.40
8.0.10.0030.00317.08
8.0.00.0100.01116.68
7.4.330.0050.00016.85
7.4.320.0060.00016.45
7.4.300.0030.00316.51
7.4.290.0070.00016.59
7.4.280.0000.00916.63
7.4.270.0030.00316.61
7.4.260.0040.00416.50
7.4.250.0000.00816.37
7.4.240.0030.00316.48
7.4.230.0030.00316.40
7.4.220.0150.00316.51
7.4.210.0170.00416.37
7.4.200.0000.00716.39
7.4.160.0080.00816.41
7.4.150.0100.00717.40
7.4.140.0110.01317.86
7.4.130.0030.01516.34
7.4.120.0100.00716.55
7.4.110.0070.01116.68
7.4.100.0150.00316.37
7.4.90.0110.01116.58
7.4.80.0100.00919.39
7.4.70.0090.00616.66
7.4.60.0060.00916.57
7.4.50.0040.00816.18
7.4.40.0060.01016.53
7.4.30.0090.01216.68
7.4.00.0100.00714.98
7.3.330.0030.00313.01
7.3.320.0000.00513.02
7.3.310.0030.00516.23
7.3.300.0000.00716.30
7.3.290.0070.01116.32
7.3.280.0080.01016.26
7.3.270.0080.00817.40
7.3.260.0160.00616.47
7.3.240.0070.01016.44
7.3.230.0070.01016.57
7.3.210.0140.00416.57
7.3.200.0070.01019.39
7.3.190.0060.01216.32
7.3.180.0030.01316.61
7.3.170.0030.01216.27
7.3.160.0100.00616.42
7.2.330.0150.00316.24
7.2.320.0040.01216.44
7.2.310.0120.00616.51
7.2.300.0110.00616.48
7.2.290.0130.00316.59
7.2.60.0070.00716.87
7.2.00.0040.01219.34
7.1.200.0040.00415.61
7.1.100.0000.00817.52
7.1.70.0000.00817.05
7.1.60.0090.01519.18
7.1.50.0030.01716.95
7.1.00.0000.08022.30
7.0.200.0030.00316.40
7.0.60.0170.08021.64
7.0.50.0070.04717.88
7.0.40.0100.08720.29
7.0.30.0270.06320.21
7.0.20.0270.08320.09
7.0.10.0070.04320.13
7.0.00.0030.08320.14
5.6.280.0070.05020.86
5.6.210.0100.06320.64
5.6.200.0130.07018.16
5.6.190.0100.06320.61
5.6.180.0300.04320.39
5.6.170.0300.07720.40
5.6.160.0100.04320.40
5.6.150.0130.07018.23
5.6.140.0070.04018.16
5.6.130.0070.04718.15
5.6.120.0070.06021.02
5.6.110.0170.07721.00
5.6.100.0030.04320.99
5.6.90.0070.05721.13
5.6.80.0100.08020.39
5.5.350.0270.07320.41
5.5.340.0100.03717.92
5.5.330.0030.09020.08
5.5.320.0230.04020.42
5.5.310.0170.04320.29
5.5.300.0030.04717.91
5.5.290.0100.07717.87
5.5.280.0030.08720.77
5.5.270.0070.05320.96
5.5.260.0100.08320.95
5.5.250.0070.05320.68
5.5.240.0100.08020.18

preferences:
49.3 ms | 401 KiB | 5 Q