3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = []; $a[string] = 'abc'; print_r($a); echo($a[string]);

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)
8.3.60.0180.00418.31
8.3.50.0260.00521.28
8.3.40.0000.01418.71
8.3.30.0080.00818.55
8.3.20.0000.00720.16
8.3.10.0030.00621.60
8.3.00.0060.00319.68
8.2.180.0090.00616.50
8.2.170.0140.00022.96
8.2.160.0100.00720.38
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0130.00326.16
8.2.120.0030.00617.63
8.2.110.0070.00319.18
8.2.100.0040.00817.63
8.2.90.0080.00319.09
8.2.80.0000.00817.97
8.2.70.0040.00417.62
8.2.60.0050.00317.79
8.2.50.0030.00518.07
8.2.40.0040.00419.46
8.2.30.0000.00819.75
8.2.20.0040.00417.73
8.2.10.0050.00318.11
8.2.00.0070.00018.10
8.1.280.0170.00325.92
8.1.270.0120.00620.20
8.1.260.0000.00726.35
8.1.250.0050.00228.09
8.1.240.0030.00619.14
8.1.230.0090.00317.42
8.1.220.0060.00317.78
8.1.210.0000.00818.77
8.1.200.0000.00917.25
8.1.190.0080.00017.35
8.1.180.0080.00018.10
8.1.170.0000.00818.32
8.1.160.0050.00322.05
8.1.150.0000.00718.94
8.1.140.0040.00417.44
8.1.130.0000.00817.73
8.1.120.0030.00517.30
8.1.110.0030.00517.35
8.1.100.0000.00717.35
8.1.90.0070.00017.41
8.1.80.0000.00717.52
8.1.70.0070.00017.34
8.1.60.0080.00017.47
8.1.50.0000.00817.54
8.1.40.0080.00017.49
8.1.30.0070.00317.52
8.1.20.0030.00517.61
8.1.10.0070.00017.57
8.1.00.0050.00317.48
8.0.300.0000.00818.77
8.0.290.0000.00716.75
8.0.280.0040.00418.43
8.0.270.0000.00817.35
8.0.260.0050.00217.26
8.0.250.0000.00717.04
8.0.240.0070.00016.94
8.0.230.0000.00717.03
8.0.220.0030.00316.94
8.0.210.0030.00316.89
8.0.200.0000.00617.06
8.0.190.0000.00817.02
8.0.180.0040.00416.93
8.0.170.0040.00416.98
8.0.160.0000.00816.97
8.0.150.0040.00416.91
8.0.140.0040.00416.73
8.0.130.0060.00013.32
8.0.120.0030.00516.89
8.0.110.0000.00716.81
8.0.100.0030.00716.92
8.0.90.0070.00016.80
8.0.80.0120.00416.98
8.0.70.0050.00316.82
8.0.60.0000.00816.98
8.0.50.0000.00716.91
8.0.30.0100.00817.19
8.0.20.0120.01017.40
8.0.10.0040.00417.13
8.0.00.0080.01216.88
7.4.330.0000.00515.09
7.4.320.0030.00316.48
7.4.300.0050.00216.49
7.4.290.0060.00316.56
7.4.280.0000.00716.63
7.4.270.0030.00316.50
7.4.260.0030.00316.49
7.4.250.0000.00716.54
7.4.240.0030.00516.49
7.4.230.0050.00216.39
7.4.220.0030.01216.67
7.4.210.0100.01016.59
7.4.200.0050.00216.41
7.4.160.0090.00616.59
7.4.150.0090.01817.40
7.4.140.0060.01117.86
7.4.130.0100.00916.54
7.4.120.0040.01316.56
7.4.110.0140.00416.70
7.4.100.0100.00716.69
7.4.90.0090.00916.62
7.4.80.0190.00419.39
7.4.70.0060.01016.44
7.4.60.0150.00616.51
7.4.50.0000.00816.69
7.4.40.0180.00316.48
7.4.30.0110.01116.73
7.4.00.0050.01314.96
7.3.330.0050.00013.21
7.3.320.0050.00013.20
7.3.310.0030.00316.16
7.3.300.0030.00316.33
7.3.290.0030.00316.30
7.3.280.0120.00816.29
7.3.270.0030.02117.40
7.3.260.0170.00016.35
7.3.250.0080.01016.24
7.3.240.0030.01316.27
7.3.230.0030.01316.45
7.3.210.0080.00816.31
7.3.200.0110.00716.43
7.3.190.0150.00616.42
7.3.180.0040.01116.34
7.3.170.0070.01516.38
7.3.160.0130.01016.36
7.3.120.0140.00414.58
7.3.110.0090.00615.00
7.3.100.0030.01014.79
7.3.90.0120.00014.55
7.3.80.0070.00714.72
7.3.70.0060.00614.77
7.3.60.0030.00514.87
7.3.50.0000.01314.77
7.3.40.0000.00914.78
7.3.30.0030.00914.68
7.3.20.0100.00316.39
7.3.10.0040.01116.71
7.3.00.0050.00816.55
7.2.330.0090.00916.55
7.2.320.0120.00616.58
7.2.310.0080.01216.53
7.2.300.0130.00716.78
7.2.290.0120.00616.42
7.2.250.0080.00815.02
7.2.240.0100.00715.18
7.2.230.0100.00714.92
7.2.220.0030.01315.13
7.2.210.0090.00914.93
7.2.200.0080.00814.93
7.2.190.0030.01514.77
7.2.180.0110.00415.01
7.2.170.0040.01115.31
7.2.130.0040.01116.63
7.2.120.0000.01317.01
7.2.110.0000.01516.61
7.2.100.0060.00616.74
7.2.90.0030.00616.94
7.2.80.0040.01117.04
7.2.70.0060.00917.01
7.2.60.0160.00916.78
7.2.50.0060.00616.85
7.2.40.0090.00316.94
7.2.30.0000.01217.20
7.2.20.0070.00716.97
7.2.10.0130.00016.60
7.2.00.0080.00618.18
7.1.330.0000.01515.84
7.1.320.0060.00915.70
7.1.310.0040.00815.63
7.1.300.0000.00915.68
7.1.290.0060.00315.60
7.1.280.0070.00715.91
7.1.270.0070.00715.86
7.1.260.0060.00315.50
7.1.250.0060.00915.79
7.1.200.0000.01215.49
7.1.70.0030.00617.07
7.1.60.0030.00717.19
7.1.50.0120.00616.96
7.1.00.0070.07322.30
7.0.200.0070.00316.84
7.0.60.0130.06019.75
7.0.50.0000.04317.88
7.0.40.0130.05720.40
7.0.30.0300.05020.16
7.0.20.0370.07720.02
7.0.10.0000.04720.20
7.0.00.0100.06020.16
5.6.280.0000.03321.11
5.6.210.0030.04020.49
5.6.200.0070.05018.12
5.6.190.0100.03720.56
5.6.180.0230.07020.41
5.6.170.0330.04720.49
5.6.160.0100.05720.61
5.6.150.0070.08018.18
5.6.140.0070.04018.11
5.6.130.0070.05718.12
5.6.120.0000.04321.04
5.6.110.0070.08321.01
5.6.100.0070.09020.96
5.6.90.0030.05320.99
5.6.80.0070.05320.38
5.6.70.0100.08320.49
5.5.350.0300.07020.42
5.5.340.0130.07317.99
5.5.330.0000.08720.37
5.5.320.0270.04020.29
5.5.310.0300.07320.50
5.5.300.0030.05017.95
5.5.290.0070.08717.91
5.5.280.0070.04020.79
5.5.270.0100.08720.82
5.5.260.0130.05720.75
5.5.250.0000.07320.65
5.5.240.0170.07720.25
5.4.450.0570.05719.55
5.4.440.0670.07319.10
5.4.430.0600.05319.32
5.4.420.0730.05319.27
5.4.410.0630.05319.36
5.4.400.0530.05319.11
5.4.390.0730.06019.13
5.4.380.0670.05719.27
5.4.370.0670.05019.29
5.4.360.0600.06018.80
5.4.350.0670.05319.08
5.4.340.0730.05018.77
5.4.320.0700.05319.22
5.4.310.0600.05719.09
5.4.300.0770.04719.12
5.4.290.0770.06319.30
5.4.280.0670.05718.80
5.4.270.0730.04718.80
5.4.260.0770.05019.22
5.4.250.0730.04719.27
5.4.240.0630.05319.21
5.4.230.0670.05318.77
5.4.220.0600.06319.21
5.4.210.0670.07018.96
5.4.200.0700.04719.27
5.4.190.0670.05018.90
5.4.180.0600.05718.90
5.4.170.0130.05319.21
5.4.160.0000.06019.16
5.4.150.0070.05719.22
5.4.140.0400.04316.50
5.4.130.0600.05316.46
5.4.120.0570.04716.44
5.4.110.0570.04716.36
5.4.100.0700.05716.47
5.4.90.0730.03716.45
5.4.80.0700.04316.44
5.4.70.0200.05316.38
5.4.60.0330.04016.45
5.4.50.0030.07016.52
5.4.40.0030.06316.04
5.4.30.0030.03316.19
5.4.20.0030.03016.15

preferences:
60.25 ms | 401 KiB | 5 Q