3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a', 'b', 'c'); foreach(z($a) as &$x) { $x .= 'q'; } print_r($a); function z($t) { return $t; }

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)
8.3.40.0110.00718.67
8.3.30.0000.01418.83
8.3.20.0080.00020.21
8.3.10.0000.00823.48
8.3.00.0080.00019.13
8.2.170.0100.00322.96
8.2.160.0040.01620.45
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0090.00020.45
8.2.110.0110.00022.20
8.2.100.0040.00717.97
8.2.90.0080.00019.26
8.2.80.0060.00317.97
8.2.70.0040.00417.50
8.2.60.0030.00518.05
8.2.50.0050.00318.07
8.2.40.0030.00519.80
8.2.30.0030.00518.21
8.2.20.0030.00517.61
8.2.10.0040.00418.16
8.2.00.0070.00017.74
8.1.270.0080.00022.09
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0090.00023.83
8.1.230.0060.00620.87
8.1.220.0030.00517.74
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0080.00017.35
8.1.180.0040.00418.10
8.1.170.0030.00618.66
8.1.160.0040.00422.01
8.1.150.0000.00718.79
8.1.140.0000.00717.39
8.1.130.0070.00017.86
8.1.120.0070.00017.44
8.1.110.0000.00817.40
8.1.100.0040.00417.43
8.1.90.0070.00017.36
8.1.80.0000.00717.46
8.1.70.0040.00417.36
8.1.60.0050.00317.56
8.1.50.0030.00617.44
8.1.40.0000.00717.39
8.1.30.0000.00817.55
8.1.20.0080.00017.54
8.1.10.0040.00417.50
8.1.00.0000.00817.42
8.0.300.0060.00322.03
8.0.290.0000.00716.75
8.0.280.0030.00318.37
8.0.270.0000.00817.30
8.0.260.0000.00617.16
8.0.250.0070.00016.84
8.0.240.0000.00716.84
8.0.230.0070.00016.88
8.0.220.0000.00716.93
8.0.210.0020.00516.78
8.0.200.0030.00316.99
8.0.190.0040.00416.82
8.0.180.0030.00516.88
8.0.170.0050.00316.77
8.0.160.0070.00016.89
8.0.150.0070.00016.85
8.0.140.0040.00416.81
8.0.130.0060.00013.30
8.0.120.0030.00616.77
8.0.110.0060.00316.93
8.0.100.0050.00216.71
8.0.90.0000.00716.88
8.0.80.0090.00616.79
8.0.70.0070.00016.83
8.0.60.0000.00716.75
8.0.50.0040.00416.75
8.0.30.0070.01317.04
8.0.20.0110.00817.40
8.0.10.0000.00816.84
8.0.00.0140.00616.76
7.4.330.0020.00215.02
7.4.320.0030.00316.49
7.4.300.0040.00416.64
7.4.290.0000.00716.39
7.4.280.0000.01016.59
7.4.270.0100.00016.45
7.4.260.0090.00316.40
7.4.250.0000.00716.45
7.4.240.0020.00516.50
7.4.230.0070.00016.60
7.4.220.0090.00916.61
7.4.210.0030.01416.53
7.4.200.0030.00316.59
7.4.160.0120.00416.48
7.4.150.0040.01417.40
7.4.140.0080.01517.86
7.4.130.0070.01216.60
7.4.120.0060.01116.41
7.4.110.0110.01116.47
7.4.100.0180.00316.72
7.4.90.0170.00016.64
7.4.80.0070.01419.39
7.4.70.0070.01016.48
7.4.60.0120.00616.57
7.4.50.0050.00316.42
7.4.40.0130.01016.66
7.4.30.0100.00716.61
7.4.00.0100.00714.98
7.3.330.0000.00613.09
7.3.320.0000.00513.11
7.3.310.0030.00316.10
7.3.300.0030.00316.09
7.3.290.0100.00716.19
7.3.280.0070.00816.29
7.3.270.0140.00317.40
7.3.260.0090.01316.47
7.3.250.0100.00716.42
7.3.240.0140.00716.25
7.3.230.0100.00716.39
7.3.210.0070.01016.38
7.3.200.0030.01719.39
7.3.190.0170.00016.25
7.3.180.0100.00716.32
7.3.170.0000.01616.27
7.3.160.0130.00316.35
7.3.120.0090.00614.72
7.3.110.0040.01414.76
7.3.100.0110.00314.81
7.3.90.0100.00614.91
7.3.80.0030.01014.50
7.3.70.0130.00314.32
7.3.60.0070.00714.66
7.3.50.0040.00414.80
7.3.40.0120.00014.80
7.3.30.0060.00614.98
7.3.20.0030.01416.67
7.3.10.0080.00416.50
7.3.00.0060.00316.46
7.2.330.0070.01016.69
7.2.320.0100.00616.68
7.2.310.0150.00416.69
7.2.300.0000.01616.58
7.2.290.0090.01216.59
7.2.240.0100.00615.18
7.2.230.0070.00714.67
7.2.220.0040.00815.01
7.2.210.0070.01015.12
7.2.200.0090.00915.08
7.2.190.0150.00015.29
7.2.180.0150.00015.27
7.2.170.0090.00615.16
7.2.160.0100.00715.10
7.2.150.0030.01416.74
7.2.140.0040.00817.03
7.2.130.0040.00716.77
7.2.120.0070.00716.86
7.2.110.0040.01116.77
7.2.100.0090.00617.07
7.2.90.0100.00617.13
7.2.80.0120.00716.82
7.2.70.0100.00716.79
7.2.60.0050.00816.86
7.2.50.0100.00716.98
7.2.40.0090.00616.81
7.2.30.0030.00616.86
7.2.20.0000.01416.77
7.2.10.0070.00716.82
7.2.00.0000.01518.10
7.1.330.0060.00615.87
7.1.320.0040.00715.71
7.1.310.0060.00915.77
7.1.300.0060.01015.78
7.1.290.0030.00915.98
7.1.280.0000.01115.47
7.1.270.0000.01715.59
7.1.260.0060.00315.65
7.1.250.0070.00315.88
7.1.200.0090.00615.82
7.1.100.0070.01018.05
7.1.70.0000.00917.27
7.1.60.0160.00619.11
7.1.50.0040.01416.86
7.1.00.0030.07722.41
7.0.200.0040.00416.71
7.0.140.0000.08022.02
7.0.60.0170.06319.93
7.0.50.0030.06017.95
7.0.40.0000.06020.09
7.0.30.0330.05020.07
7.0.20.0170.04320.09
7.0.10.0030.08020.20
7.0.00.0030.07720.25
5.6.280.0100.06720.99
5.6.210.0100.05720.63
5.6.200.0130.07318.14
5.6.190.0000.04720.67
5.6.180.0330.08020.47
5.6.170.0330.07320.45
5.6.160.0130.05320.43
5.6.150.0130.04318.12
5.6.140.0100.06018.11
5.6.130.0070.05018.15
5.6.120.0000.06321.03
5.6.110.0070.08320.96
5.6.100.0100.07720.98
5.6.90.0170.06021.00
5.6.80.0070.04020.37
5.6.70.2800.03720.40
5.5.350.0170.05720.53
5.5.340.0030.04018.02
5.5.330.0030.04320.29
5.5.320.0070.06320.34
5.5.310.0170.04020.31
5.5.300.0070.03717.91
5.5.290.0170.03318.07
5.5.280.0070.06320.98
5.5.270.0000.04320.79
5.5.260.0030.08020.76
5.5.250.0070.03720.49
5.5.240.0170.05020.35
5.4.450.0170.04019.42
5.4.440.0200.06019.43
5.4.430.0200.04719.57
5.4.420.0130.05319.41
5.4.410.0200.03719.28
5.4.400.0230.03719.10
5.4.390.0170.05319.24
5.4.380.0230.06018.90
5.4.370.0200.03718.81
5.4.360.0070.04718.92
5.4.350.0130.03719.25
5.4.340.0200.03319.14
5.4.320.0230.05718.93
5.4.310.0200.04719.24
5.4.300.0200.07319.24
5.4.290.0170.08019.10
5.4.280.0170.04719.08
5.4.270.0330.03018.78
5.4.260.0230.05319.10
5.4.250.0130.04019.12
5.4.240.0230.03019.07
5.4.230.0230.03719.13
5.4.220.0170.03719.23
5.4.210.0270.02719.21
5.4.200.0200.03319.15
5.4.190.0130.04018.88
5.4.180.0170.04718.91
5.4.170.0070.05019.09
5.4.160.0170.03719.11
5.4.150.0170.03719.07
5.4.140.0170.05016.26
5.4.130.0200.04716.32
5.4.120.0300.05016.54
5.4.110.0470.03716.34
5.4.100.0300.03016.23
5.4.90.0200.04316.34
5.4.80.0230.02716.38
5.4.70.0200.05316.46
5.4.60.0170.06016.37
5.4.50.0100.05016.41
5.4.40.0270.06016.16
5.4.30.0230.06316.06
5.4.20.0270.05016.27
5.4.10.0200.06716.40
5.4.00.0170.04015.67
5.3.290.0230.05014.48
5.3.280.0230.04314.50
5.3.270.0230.03314.48
5.3.260.0100.04314.55
5.3.250.0170.05714.43
5.3.240.0300.07014.55
5.3.230.0100.04714.44
5.3.220.0200.05314.42
5.3.210.0170.03714.51
5.3.200.0330.03314.41
5.3.190.0230.04014.51
5.3.180.0130.04314.41
5.3.170.0270.06714.58
5.3.160.0170.03714.61
5.3.150.0200.05714.53
5.3.140.0200.04014.38
5.3.130.0230.04014.39
5.3.120.0200.07314.59
5.3.110.0230.03714.64
5.3.100.0200.08014.14
5.3.90.0200.04713.86
5.3.80.0170.07314.02
5.3.70.0130.06314.06
5.3.60.0270.06314.05
5.3.50.0200.04013.88
5.3.40.0170.04313.85
5.3.30.0130.04013.85
5.3.20.0200.04013.59
5.3.10.0230.02713.45
5.3.00.0200.05013.46
5.2.170.0130.03711.03
5.2.160.0130.03011.03
5.2.150.0170.03710.98
5.2.140.0200.05711.20
5.2.130.0170.05011.26
5.2.120.0200.05011.00
5.2.110.0170.05310.95
5.2.100.0130.05311.13
5.2.90.0200.03311.20
5.2.80.0200.05711.10
5.2.70.0100.03311.00
5.2.60.0170.03310.89
5.2.50.0130.03011.18
5.2.40.0030.02710.83
5.2.30.0130.04310.81
5.2.20.0170.05711.00
5.2.10.0170.03310.94
5.2.00.0100.03710.65
5.1.60.0100.02310.07
5.1.50.0100.0309.96
5.1.40.0130.0279.96
5.1.30.0100.05710.29
5.1.20.0130.05710.35
5.1.10.0170.02710.04
5.1.00.0000.05710.05
5.0.50.0030.0438.62
5.0.40.0100.0208.32
5.0.30.0030.0338.23
5.0.20.0070.0238.32
5.0.10.0070.0178.39
5.0.00.0030.0678.08
4.4.90.0070.0307.49
4.4.80.0030.0307.49
4.4.70.0100.0177.49
4.4.60.0500.0237.49
4.4.50.0030.0177.49
4.4.40.0100.0477.49
4.4.30.0070.0377.49
4.4.20.0130.0277.49
4.4.10.0030.0177.49
4.4.00.0070.0437.49
4.3.110.0030.0377.49
4.3.100.0070.0177.49
4.3.90.0130.0277.49
4.3.80.0070.0437.49
4.3.70.0070.0377.49
4.3.60.0100.0177.49
4.3.50.0170.0277.49
4.3.40.0100.0477.49
4.3.30.0030.0177.50
4.3.20.0070.0307.51
4.3.10.0030.0177.52
4.3.00.0030.0377.52

preferences:
44.99 ms | 400 KiB | 5 Q