3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ary = [ 'foo' => 'a', 'bar' => 'b', 'baz' => 'c' ]; if (array_key_exists('bar', $ary)) { print 'exists'; } else { print 'does not exist'; }

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)
8.3.60.0100.01016.50
8.3.50.0090.00721.96
8.3.40.0110.00718.84
8.3.30.0110.00418.96
8.3.20.0070.00020.07
8.3.10.0040.00423.53
8.3.00.0080.00019.02
8.2.180.0110.00418.39
8.2.170.0100.01022.96
8.2.160.0030.01020.57
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0040.00422.11
8.2.110.0060.00322.08
8.2.100.0100.00717.91
8.2.90.0070.00019.17
8.2.80.0040.00417.97
8.2.70.0060.00317.75
8.2.60.0040.00418.05
8.2.50.0080.00018.07
8.2.40.0030.00620.07
8.2.30.0070.00418.30
8.2.20.0000.00817.73
8.2.10.0000.00717.98
8.2.00.0040.00417.46
8.1.280.0100.00325.92
8.1.270.0090.00023.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.92
8.1.230.0080.00319.14
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0070.00317.13
8.1.190.0000.00817.22
8.1.180.0030.00518.89
8.1.170.0050.00318.43
8.1.160.0070.00021.93
8.1.150.0040.00418.56
8.1.140.0030.00617.31
8.1.130.0030.00317.86
8.1.120.0040.00417.45
8.1.110.0030.00717.29
8.1.100.0040.00417.38
8.1.90.0000.00817.34
8.1.80.0040.00317.38
8.1.70.0050.00317.32
8.1.60.0000.00817.52
8.1.50.0000.00817.30
8.1.40.0000.00817.36
8.1.30.0030.00617.54
8.1.20.0000.00717.59
8.1.10.0040.00417.55
8.1.00.0030.00517.51
8.0.300.0030.00618.77
8.0.290.0000.00817.16
8.0.280.0000.00718.34
8.0.270.0030.00317.15
8.0.260.0030.00317.29
8.0.250.0070.00016.91
8.0.240.0030.00316.89
8.0.230.0040.00416.83
8.0.220.0030.00316.68
8.0.210.0000.00716.80
8.0.200.0030.00516.89
8.0.190.0020.00516.77
8.0.180.0050.00316.86
8.0.170.0000.00716.81
8.0.160.0000.00716.76
8.0.150.0030.00416.83
8.0.140.0000.00716.82
8.0.130.0030.00313.24
8.0.120.0040.00416.73
8.0.110.0080.00016.81
8.0.100.0050.00316.59
8.0.90.0000.00716.68
8.0.80.0200.00016.78
8.0.70.0040.00416.70
8.0.60.0050.00216.69
8.0.50.0040.00416.67
8.0.30.0120.00817.10
8.0.20.0090.01217.40
8.0.10.0000.00716.94
8.0.00.0080.01016.53
7.4.330.0020.00215.14
7.4.320.0030.00316.60
7.4.300.0000.00616.54
7.4.290.0050.00316.50
7.4.280.0080.00016.56
7.4.270.0000.00716.39
7.4.260.0000.00716.43
7.4.250.0000.00816.54
7.4.240.0020.00516.47
7.4.230.0070.00016.69
7.4.220.0140.00616.52
7.4.210.0070.01216.56
7.4.200.0000.00716.70
7.4.190.0000.00616.30
7.4.160.0090.00616.56
7.4.150.0160.01017.40
7.4.140.0030.01417.86
7.4.130.0080.00816.41
7.4.120.0060.01016.44
7.4.110.0160.00616.38
7.4.100.0060.01316.42
7.4.90.0030.01416.45
7.4.80.0150.00919.39
7.4.70.0040.01316.55
7.4.60.0070.01116.53
7.4.50.0050.00016.34
7.4.40.0080.01116.44
7.4.30.0110.00616.47
7.4.00.0030.01314.91
7.3.330.0050.00013.12
7.3.320.0000.00613.05
7.3.310.0000.00716.07
7.3.300.0030.00315.96
7.3.290.0040.01016.09
7.3.280.0030.01516.13
7.3.270.0140.00317.40
7.3.260.0070.01216.05
7.3.250.0100.00816.25
7.3.240.0030.01316.31
7.3.230.0070.01116.39
7.3.210.0130.00316.16
7.3.200.0100.01019.39
7.3.190.0030.01616.13
7.3.180.0110.00516.16
7.3.170.0180.00316.34
7.3.160.0060.00916.30
7.3.120.0000.01714.50
7.2.330.0030.01416.59
7.2.320.0060.01316.60
7.2.310.0070.01416.27
7.2.300.0080.00816.70
7.2.290.0050.01316.25
7.2.00.0040.00819.21
7.1.100.0070.01018.18
7.1.70.0040.00417.08
7.1.60.0070.01819.46
7.1.50.0000.01216.82
7.1.00.0070.06722.32
7.0.200.0000.01016.57
7.0.140.0030.07022.00
7.0.100.0300.07319.89
7.0.90.0330.08319.83
7.0.80.0100.06719.95
7.0.70.0030.07019.83
7.0.60.0270.06719.81
7.0.50.0170.08320.20
7.0.40.0200.08020.18
7.0.30.0200.07720.07
7.0.20.0030.09020.11
7.0.10.0100.04320.10
7.0.00.0030.07020.18
5.6.280.0030.07321.09
5.6.250.0030.07020.76
5.6.240.0070.08320.64
5.6.230.0170.08020.63
5.6.220.0100.05320.52
5.6.210.0130.07020.41
5.6.200.0030.08321.17
5.6.190.0130.04321.02
5.6.180.0030.08021.08
5.6.170.0100.07021.00
5.6.160.0100.07721.04
5.6.150.0130.08020.94
5.6.140.0200.05720.94
5.6.130.0070.04321.04
5.6.120.0100.06721.16
5.6.110.0170.06021.15
5.6.100.0130.07321.08
5.6.90.0100.07021.14
5.6.80.0170.07720.33
5.6.70.0030.08720.54
5.6.60.0170.06320.40
5.6.50.0130.04020.35
5.6.40.0070.05720.41
5.6.30.0030.06020.32
5.6.20.0070.04720.36
5.6.10.0100.08020.38
5.6.00.0070.04720.29
5.5.380.0100.07720.31
5.5.370.0170.06720.30
5.5.360.0100.07320.36
5.5.350.0170.08020.28
5.5.340.0030.09020.72
5.5.330.0170.07320.75
5.5.320.0070.09020.83
5.5.310.0130.04020.93
5.5.300.0200.07020.88
5.5.290.0070.04320.82
5.5.280.0130.08020.86
5.5.270.0030.08320.81
5.5.260.0100.07320.80
5.5.250.0070.05020.45
5.5.240.0130.06020.28
5.5.230.0000.09020.29
5.5.220.0170.07020.12
5.5.210.0000.07020.09
5.5.200.0030.07320.14
5.5.190.0030.04020.24
5.5.180.0100.09020.25
5.5.160.0130.06720.14
5.5.150.0130.07320.17
5.5.140.0000.05320.21
5.5.130.0100.04320.18
5.5.120.0070.05320.17
5.5.110.0030.04720.20
5.5.100.0130.07320.08
5.5.90.0070.08020.00
5.5.80.0070.04020.06
5.5.70.0230.05720.13
5.5.60.0030.07719.93
5.5.50.0030.04320.09
5.5.40.0030.04320.14
5.5.30.0100.04320.13
5.5.20.0030.07320.11
5.5.10.0030.06720.10
5.5.00.0130.07020.07
5.4.450.0100.06019.40
5.4.440.0170.07319.47
5.4.430.0130.06719.45
5.4.420.0070.04319.38
5.4.410.0070.07019.43
5.4.400.0030.07019.23
5.4.390.0200.05019.05
5.4.380.0000.07718.98
5.4.370.0170.05019.06
5.4.360.0070.07319.15
5.4.350.0070.07318.81
5.4.340.0200.06019.03
5.4.320.0130.07019.03
5.4.310.0030.08018.95
5.4.300.0070.06319.14
5.4.290.0130.07319.07
5.4.280.0030.06718.80
5.4.270.0030.07719.05
5.4.260.0130.07018.81
5.4.250.0030.05318.95
5.4.240.0100.07718.80
5.4.230.0030.08018.77
5.4.220.0100.06719.11
5.4.210.0130.05019.03
5.4.200.0000.04319.14
5.4.190.0070.03718.80
5.4.180.0030.08319.06
5.4.170.0000.05018.89
5.4.160.0030.07719.00
5.4.150.0070.03318.99
5.4.140.0070.06716.32
5.4.130.0070.05016.34
5.4.120.0030.03716.10
5.4.110.0070.03716.43
5.4.100.0000.04016.41
5.4.90.0000.03716.29
5.4.80.0030.03716.24
5.4.70.0070.03316.32
5.4.60.0070.03316.30
5.4.50.0030.04016.39
5.4.40.0030.03316.38
5.4.30.0100.03016.29
5.4.20.0100.03016.40
5.4.10.0070.06716.33
5.4.00.0130.04015.71
5.3.290.0100.06714.66
5.3.280.0100.04014.53
5.3.270.0070.08014.62
5.3.260.0030.07714.57
5.3.250.0100.07314.46
5.3.240.0030.05314.59
5.3.230.0000.04014.54
5.3.220.0030.06714.52
5.3.210.0100.07714.43
5.3.200.0170.06314.50
5.3.190.0030.04014.56
5.3.180.0000.03714.55
5.3.170.0100.03314.51
5.3.160.0070.04014.57
5.3.150.0070.03314.55
5.3.140.0030.04014.39
5.3.130.0070.03314.38
5.3.120.0000.04014.54
5.3.110.0000.04014.54
5.3.100.0030.03014.03
5.3.90.0130.03013.93
5.3.80.0000.04014.00
5.3.70.0030.03314.00
5.3.60.0100.05713.86
5.3.50.0000.03713.70
5.3.40.0100.03013.89
5.3.30.0070.05013.79
5.3.20.0000.04013.64
5.3.10.0000.06013.61
5.3.00.0030.05713.41
5.2.170.0070.02710.95
5.2.160.0030.03711.16
5.2.150.0070.02711.13
5.2.140.0000.03011.13
5.2.130.0000.04011.17
5.2.120.0030.02711.12
5.2.110.0000.03011.13
5.2.100.0030.02710.96
5.2.90.0000.03011.10
5.2.80.0000.03011.05
5.2.70.0000.03010.89
5.2.60.0000.03011.05
5.2.50.0000.03011.06
5.2.40.0030.02710.98
5.2.30.0030.02710.79
5.2.20.0030.05010.80
5.2.10.0030.02710.77
5.2.00.0030.02710.57
5.1.60.0000.0279.98
5.1.50.0000.02310.00
5.1.40.0000.0279.97
5.1.30.0000.02710.27
5.1.20.0000.03010.22
5.1.10.0070.02010.13
5.1.00.0030.02310.06
5.0.50.0030.0209.32
5.0.40.0000.0239.32
5.0.30.0100.0209.32
5.0.20.0030.0179.32
5.0.10.0000.0209.32
5.0.00.0070.0239.32
4.4.90.0000.0139.32
4.4.80.0000.0179.32
4.4.70.0000.0179.32
4.4.60.0000.0139.32
4.4.50.0030.0139.32
4.4.40.0030.0239.32
4.4.30.0000.0179.32
4.4.20.0000.0179.32
4.4.10.0000.0179.32
4.4.00.0030.0209.32
4.3.110.0000.0209.32
4.3.100.0000.0179.32
4.3.90.0000.0179.32
4.3.80.0000.0239.32
4.3.70.0000.0209.32
4.3.60.0000.0179.32
4.3.50.0000.0179.32
4.3.40.0000.0239.32
4.3.30.0000.0179.32
4.3.20.0000.0139.32
4.3.10.0000.0179.32
4.3.00.0000.0179.32

preferences:
42.8 ms | 401 KiB | 5 Q