3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 'b'; $a = [ 'a', $foo, 'c' ]; foreach(z($a) as &$x) { $x .= 'q'; } print_r($a);

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)
8.3.60.0100.01018.31
8.3.50.0070.00921.81
8.3.40.0140.00318.86
8.3.30.0170.00319.09
8.3.20.0070.00020.34
8.3.10.0040.00423.65
8.3.00.0040.00420.93
8.2.180.0150.00316.75
8.2.170.0140.00022.96
8.2.160.0070.00720.11
8.2.150.0090.00024.18
8.2.140.0000.00824.66
8.2.130.0000.00826.16
8.2.120.0060.00319.36
8.2.110.0040.00422.26
8.2.100.0080.00317.91
8.2.90.0040.00419.28
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0040.00418.05
8.2.50.0060.00318.07
8.2.40.0040.00419.87
8.2.30.0040.00418.18
8.2.20.0030.00617.75
8.2.10.0000.00718.01
8.2.00.0060.00319.50
8.1.280.0030.01225.92
8.1.270.0040.00423.66
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0120.00424.02
8.1.230.0030.00919.03
8.1.220.0030.00617.79
8.1.210.0000.00818.77
8.1.200.0000.01017.25
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0060.00318.63
8.1.160.0000.00721.97
8.1.150.0100.00018.69
8.1.140.0000.00717.38
8.1.130.0030.00317.74
8.1.120.0000.00817.36
8.1.110.0040.00417.47
8.1.100.0000.00717.43
8.1.90.0000.00717.36
8.1.80.0040.00417.50
8.1.70.0070.00017.33
8.1.60.0060.00317.64
8.1.50.0040.00417.55
8.1.40.0070.00017.56
8.1.30.0000.00817.47
8.1.20.0000.00817.54
8.1.10.0000.00717.46
8.1.00.0000.00717.56
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0050.00318.46
8.0.270.0030.00317.31
8.0.260.0030.00317.17
8.0.250.0030.00316.91
8.0.240.0030.00317.02
8.0.230.0070.00017.03
8.0.220.0030.00316.87
8.0.210.0070.00016.95
8.0.200.0000.00617.02
8.0.190.0040.00416.95
8.0.180.0000.00716.88
8.0.170.0040.00416.98
8.0.160.0040.00416.82
8.0.150.0000.00816.97
8.0.140.0030.00316.93
8.0.130.0000.00613.42
8.0.120.0040.00416.94
8.0.110.0050.00216.84
8.0.100.0040.00416.96
8.0.90.0000.00716.78
8.0.80.0060.00916.96
8.0.70.0080.00017.01
8.0.60.0030.00516.75
8.0.50.0080.00016.80
8.0.30.0160.00317.00
8.0.20.0130.00617.40
8.0.10.0000.00816.92
8.0.00.0110.00516.71
7.4.330.0060.00015.00
7.4.320.0070.00016.52
7.4.300.0030.00316.41
7.4.290.0030.00316.52
7.4.280.0070.00016.35
7.4.270.0030.00316.50
7.4.260.0000.00716.48
7.4.250.0000.00816.46
7.4.240.0020.00516.51
7.4.230.0000.00716.35
7.4.220.0130.00316.70
7.4.210.0110.00416.67
7.4.200.0040.00416.61
7.4.160.0090.00616.45
7.4.150.0110.00717.40
7.4.140.0100.00817.86
7.4.130.0230.01716.75
7.4.120.0110.00616.58
7.4.110.0070.01016.62
7.4.100.0060.01216.54
7.4.90.0060.01016.52
7.4.80.0150.00919.39
7.4.70.0090.00616.50
7.4.60.0120.00616.55
7.4.50.0020.00216.61
7.4.40.0110.00516.59
7.4.30.0030.01316.65
7.4.00.0060.00815.18
7.3.330.0030.00313.08
7.3.320.0000.00513.17
7.3.310.0000.00716.38
7.3.300.0060.00016.34
7.3.290.0170.00416.34
7.3.280.0060.01116.41
7.3.270.0100.00717.40
7.3.260.0100.00716.47
7.3.250.0150.00816.49
7.3.240.0160.00616.53
7.3.230.0060.01016.42
7.3.210.0090.00916.39
7.3.200.0060.01016.27
7.3.190.0130.01016.39
7.3.180.0100.00716.33
7.3.170.0060.00916.41
7.3.160.0150.00016.43
7.3.120.0070.00714.88
7.3.10.0080.00416.67
7.3.00.0040.00716.38
7.2.330.0110.00616.52
7.2.320.0100.01316.41
7.2.310.0030.01316.61
7.2.300.0130.01016.66
7.2.290.0060.00916.24
7.2.130.0070.00416.64
7.2.120.0030.01016.56
7.2.110.0070.00716.67
7.2.100.0060.00616.38
7.2.90.0060.00616.61
7.2.80.0020.01016.70
7.2.70.0110.00316.72
7.2.60.0050.00916.89
7.2.50.0070.00716.82
7.2.40.0040.00816.90
7.2.30.0070.00716.92
7.2.20.0110.00416.73
7.2.10.0070.00316.93
7.2.00.0030.01118.06
7.1.250.0030.00915.85
7.1.200.0070.00415.66
7.1.100.0000.01217.86
7.1.70.0000.00717.14
7.1.60.0120.01219.70
7.1.50.0060.01816.96
7.1.00.0030.07322.48
7.0.200.0080.00016.57
7.0.140.0030.07021.99
7.0.60.0030.09319.92
7.0.50.0030.07017.66
7.0.40.0170.08020.06
7.0.30.0300.04720.29
7.0.20.0330.07320.16
7.0.10.0100.08320.01
7.0.00.0200.06020.16
5.6.280.0000.07720.90
5.6.210.0030.04020.51
5.6.200.0100.03718.23
5.6.190.0130.07020.57
5.6.180.0230.04720.49
5.6.170.0230.03320.41
5.6.160.0100.06020.49
5.6.150.0070.08018.13
5.6.140.0070.04318.17
5.6.130.0100.04018.18
5.6.120.0100.07721.02
5.6.110.0030.04321.11
5.6.100.0170.07321.00
5.6.90.0100.08020.96
5.6.80.0130.07320.36
5.6.70.3800.04020.50
5.5.350.0100.07720.44
5.5.340.0070.07717.96
5.5.330.0070.09020.38
5.5.320.0270.04720.27
5.5.310.0270.06320.51
5.5.300.0070.04317.98
5.5.290.0030.04318.02
5.5.280.0070.03720.65
5.5.270.0130.06020.76
5.5.260.0030.04020.83
5.5.250.0070.03720.66
5.5.240.0230.07320.03
5.4.450.0670.06019.61
5.4.440.0970.05719.63
5.4.430.0670.05719.10
5.4.420.0730.00019.46
5.4.410.0170.05318.68
5.4.400.0230.07718.50
5.4.390.0300.05718.50
5.4.380.0130.06018.46
5.4.370.0070.04318.46
5.4.360.0070.03718.57
5.4.350.0040.03911.99
5.4.340.0060.04911.98
5.4.320.0050.04912.47
5.4.310.0090.03512.46
5.4.300.0100.05412.47
5.4.290.0070.05312.46
5.4.280.0100.05112.36
5.4.270.0110.06012.36
5.4.260.0140.06112.36
5.4.250.0090.05712.37
5.4.240.0080.05712.36
5.4.230.0140.05212.36
5.4.220.0140.07012.35
5.4.210.0110.04712.35
5.4.200.0190.10512.36
5.4.190.0090.11612.35
5.4.180.0100.06812.35
5.4.170.0090.06412.36
5.4.160.0110.05512.36
5.4.150.0130.05512.35
5.4.140.0090.05712.04
5.4.130.0050.05112.03
5.4.120.0120.04811.98
5.4.110.0070.05311.98
5.4.100.0080.04911.98
5.4.90.0070.06411.97
5.4.80.0090.11611.98
5.4.70.0230.12411.97
5.4.60.0110.06511.97
5.4.50.0120.04911.97
5.4.40.0140.04911.96
5.4.30.0130.05311.96
5.4.20.0080.05511.96
5.4.10.0130.04111.96
5.4.00.0150.05011.45
5.3.290.0050.04212.80
5.3.280.0130.05512.71
5.3.270.0110.05812.72
5.3.260.0090.07112.72
5.3.250.0090.05612.72
5.3.240.0130.05312.72
5.3.230.0070.07012.71
5.3.220.0150.05512.68
5.3.210.0110.05612.68
5.3.200.0070.05012.68
5.3.190.0080.04912.68
5.3.180.0060.05512.68
5.3.170.0100.05112.67
5.3.160.0120.05212.68
5.3.150.0090.05512.68
5.3.140.0150.05612.66
5.3.130.0140.05412.66
5.3.120.0100.05812.66
5.3.110.0100.05112.66
5.3.100.0080.04912.12
5.3.90.0090.07012.08
5.3.80.0100.04512.07
5.3.70.0150.05312.07
5.3.60.0160.05212.06
5.3.50.0160.05112.00
5.3.40.0110.05512.00
5.3.30.0080.06011.95
5.3.20.0060.06111.73
5.3.10.0110.05611.70
5.3.00.0100.04911.68
5.2.170.0040.0469.18
5.2.160.0070.0459.18
5.2.150.0090.0489.18
5.2.140.0110.0459.18
5.2.130.0070.0399.14
5.2.120.0090.0429.14
5.2.110.0070.0419.14
5.2.100.0060.0469.14
5.2.90.0080.0499.14
5.2.80.0110.0489.14
5.2.70.0110.0399.13
5.2.60.0120.0469.09
5.2.50.0120.0549.06
5.2.40.0140.0499.04
5.2.30.0120.0459.01
5.2.20.0090.0449.00
5.2.10.0090.0458.92
5.2.00.0020.0448.78
5.1.60.0080.0368.07
5.1.50.0040.0348.07
5.1.40.0090.0408.05
5.1.30.0130.0388.40
5.1.20.0060.0488.42
5.1.10.0190.0528.14
5.1.00.0100.0478.14
5.0.50.0080.0236.62
5.0.40.0060.0206.48
5.0.30.0040.0356.29
5.0.20.0060.0226.26
5.0.10.0050.0406.24
5.0.00.0060.0396.23
4.4.90.0070.0294.78
4.4.80.0060.0194.75
4.4.70.0050.0214.76
4.4.60.0050.0254.75
4.4.50.0040.0204.77
4.4.40.0050.0334.71
4.4.30.0060.0224.76
4.4.20.0040.0194.84
4.4.10.0050.0214.84
4.4.00.0090.0294.76
4.3.110.0040.0244.67
4.3.100.0030.0234.66
4.3.90.0040.0214.63
4.3.80.0060.0324.58
4.3.70.0040.0214.63
4.3.60.0050.0214.63
4.3.50.0030.0194.63
4.3.40.0040.0284.54
4.3.30.0040.0203.28
4.3.20.0050.0193.26
4.3.10.0030.0193.21
4.3.00.0100.0236.55

preferences:
44.08 ms | 401 KiB | 5 Q