3v4l.org

run code in 300+ PHP versions simultaneously
<?php function dangerous() { echo 'Dangerous code executed'; } $arg = '42a{${dangerous()}}'; preg_replace("/([0-9]+)([a-z]+)/e",'list($var, $var2) = array("$1", "$2")', $arg); var_dump($var, $var2);

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)
8.3.70.0170.00318.25
8.3.60.0070.00718.31
8.3.50.0080.00821.99
8.3.40.0030.01018.76
8.3.30.0070.00718.98
8.3.20.0040.00420.21
8.3.10.0000.00722.21
8.3.00.0080.00022.43
8.2.190.0180.00316.75
8.2.180.0130.00716.50
8.2.170.0060.00922.96
8.2.160.0110.00420.81
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00019.36
8.2.110.0120.00020.27
8.2.100.0060.00619.63
8.2.90.0000.00719.17
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0060.00317.79
8.2.50.0080.00018.07
8.2.40.0040.00418.07
8.2.30.0000.00717.88
8.2.20.0040.00417.71
8.2.10.0050.00217.69
8.2.00.0000.00717.73
8.1.280.0080.00625.92
8.1.270.0080.00022.19
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00323.86
8.1.230.0070.00419.03
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0040.00417.13
8.1.190.0060.00317.53
8.1.180.0030.00618.70
8.1.170.0060.00318.56
8.1.160.0040.00421.93
8.1.150.0000.00818.43
8.1.140.0000.00817.38
8.1.130.0000.00717.77
8.1.120.0000.00717.41
8.1.110.0000.00717.27
8.1.100.0050.00217.28
8.1.90.0040.00417.41
8.1.80.0000.00717.39
8.1.70.0070.00017.28
8.1.60.0030.00517.57
8.1.50.0070.00017.37
8.1.40.0000.00717.43
8.1.30.0090.00017.45
8.1.20.0000.00817.52
8.1.10.0040.00417.51
8.1.00.0000.00717.21
8.0.300.0050.00218.77
8.0.290.0070.00016.93
8.0.280.0030.00318.42
8.0.270.0040.00417.12
8.0.260.0000.00716.81
8.0.250.0070.00016.95
8.0.240.0070.00016.92
8.0.230.0020.00516.82
8.0.220.0030.00316.84
8.0.210.0040.00416.76
8.0.200.0040.00416.86
8.0.190.0040.00316.80
8.0.180.0030.00516.82
8.0.170.0000.00816.82
8.0.160.0000.00716.96
8.0.150.0000.00716.83
8.0.140.0070.00016.80
8.0.130.0050.00013.36
8.0.120.0040.00416.86
8.0.110.0030.00416.93
8.0.100.0000.00716.83
8.0.90.0050.00316.88
8.0.80.0160.00316.85
8.0.70.0040.00416.75
8.0.60.0000.00716.91
8.0.50.0040.00416.94
8.0.30.0130.00817.01
8.0.20.0150.00917.40
8.0.10.0000.00716.99
8.0.00.0090.00716.74
7.4.330.0050.00015.00
7.4.320.0030.00316.35
7.4.300.0040.00416.51
7.4.290.0000.00816.55
7.4.280.0030.00316.57
7.4.270.0000.00716.51
7.4.260.0070.00016.56
7.4.250.0000.00716.35
7.4.240.0020.00616.52
7.4.230.0070.00016.64
7.4.220.0060.01216.60
7.4.210.0070.00716.49
7.4.200.0020.00516.44
7.4.190.0030.00316.31
7.4.160.0060.00916.27
7.4.150.0120.00617.40
7.4.140.0150.00317.86
7.4.130.0080.00916.38
7.4.120.0050.01416.47
7.4.110.0070.01016.27
7.4.100.0090.00916.64
7.4.90.0110.00816.60
7.4.80.0120.00619.39
7.4.70.0060.00916.39
7.4.60.0100.01016.45
7.4.50.0030.00316.54
7.4.40.0070.00722.77
7.4.30.0030.01316.67
7.4.00.0040.01215.01
7.3.330.0050.00013.23
7.3.320.0020.00213.11
7.3.310.0030.00316.22
7.3.300.0030.00316.15
7.3.290.0030.01016.24
7.3.280.0120.00516.25
7.3.270.0060.01017.40
7.3.260.0140.00416.38
7.3.250.0120.00816.51
7.3.240.0060.01216.41
7.3.230.0120.00616.39
7.3.210.0100.00716.54
7.3.200.0030.01219.39
7.3.190.0110.00716.09
7.3.180.0060.01016.14
7.3.170.0140.00716.27
7.3.160.0170.00016.52
7.3.120.0090.00414.79
7.2.330.0160.00616.75
7.2.320.0120.00916.70
7.2.310.0100.00616.45
7.2.300.0030.01316.75
7.2.290.0080.00816.57
7.2.60.0090.00016.93
7.2.00.0090.00619.42
7.1.200.0060.00615.73
7.1.100.0030.01318.15
7.1.70.0000.00817.27
7.1.60.0150.01119.82
7.1.50.0080.01517.10
7.1.00.0000.08022.32
7.0.200.0060.00916.77
7.0.140.0030.07322.11
7.0.60.0070.08720.02
7.0.50.0100.07717.97
7.0.40.0000.05720.12
7.0.30.0230.05720.36
7.0.20.0230.03720.07
7.0.10.0070.04020.07
7.0.00.0100.08020.13
5.6.280.0070.07021.11
5.6.210.0100.07720.52
5.6.200.0030.08018.29
5.6.190.0030.09020.47
5.6.180.0300.04020.50
5.6.170.0200.05320.51
5.6.160.0030.04020.56
5.6.150.0000.06018.18
5.6.140.0030.07018.16
5.6.130.0030.07718.27
5.6.120.0070.06320.99
5.6.110.0070.04320.96
5.6.100.0200.07320.98
5.6.90.0100.07321.11
5.6.80.0070.06320.51
5.5.350.0130.03720.32
5.5.340.0130.05317.98
5.5.330.0130.05020.41
5.5.320.0000.09020.37
5.5.310.0230.04320.19
5.5.300.0030.04318.04
5.5.290.0000.04318.07
5.5.280.0100.06320.86
5.5.270.0000.09720.87
5.5.260.0030.07020.77
5.5.250.0100.04720.70
5.5.240.0100.07020.27
5.4.450.0430.06719.48
5.4.440.0100.07719.60
5.4.430.0130.05319.46
5.4.420.0130.06019.51
5.4.410.0070.05719.44
5.4.400.0830.00018.85
5.4.390.0830.00018.79
5.4.380.0270.05318.74
5.4.370.0230.06018.55
5.4.360.0330.04718.73
5.4.350.0270.05718.73
5.4.340.0300.05018.80
5.4.320.0080.04312.50
5.4.310.0080.03612.50
5.4.300.0120.03412.50
5.4.290.0080.04412.50
5.4.280.0050.03612.39
5.4.270.0080.03712.39
5.4.260.0130.05018.93
5.4.250.0130.06018.93
5.4.240.0000.06018.98
5.4.230.0100.05019.00
5.4.220.0070.05318.73
5.4.210.0030.05718.75
5.4.200.0070.07718.75
5.4.190.0130.04318.93
5.4.180.0100.08018.98
5.4.170.0100.05018.94
5.4.160.0100.07018.62
5.4.150.0030.05718.73
5.4.140.0170.05716.36
5.4.130.0070.04716.27
5.4.120.0130.05016.38
5.4.110.0000.05716.50
5.4.100.0070.04716.47
5.4.90.0200.03716.37
5.4.80.0030.05016.48
5.4.70.0100.05316.54
5.4.60.0100.04716.61
5.4.50.0070.04716.59
5.4.40.0130.05016.37
5.4.30.0030.05316.28
5.4.20.0030.07016.36
5.4.10.0100.05716.29
5.4.00.0000.05715.86
5.3.290.0050.03912.80
5.3.280.0000.05714.75
5.3.270.0070.05714.60
5.3.260.0130.04714.78
5.3.250.0130.04314.66
5.3.240.0170.04014.62
5.3.230.0100.04714.76
5.3.220.0170.05014.64
5.3.210.0070.05014.55
5.3.200.0170.04014.73
5.3.190.0000.05714.64
5.3.180.0200.05314.63
5.3.170.0100.06314.72
5.3.160.0170.06014.53
5.3.150.0130.06714.39
5.3.140.0100.04314.69
5.3.130.0130.05014.71
5.3.120.0130.05314.63
5.3.110.0100.05714.63
5.3.100.0070.05014.04
5.3.90.0100.04314.00
5.3.80.0200.04314.11
5.3.70.0200.04714.09
5.3.60.0070.05013.83
5.3.50.0070.04714.02
5.3.40.0100.05713.97
5.3.30.0000.07313.74
5.3.20.0000.06013.77
5.3.10.0070.04713.73
5.3.00.0030.05013.82
5.2.170.0030.04011.32
5.2.160.0070.06011.11
5.2.150.0030.04011.23
5.2.140.0030.05710.96
5.2.130.0070.05011.09
5.2.120.0070.04011.18
5.2.110.0030.04011.18
5.2.100.0030.04311.09
5.2.90.0100.03311.32
5.2.80.0130.03311.09
5.2.70.0070.05711.15
5.2.60.0070.04311.14
5.2.50.0100.03311.25
5.2.40.0030.05310.98
5.2.30.0100.03711.06
5.2.20.0130.03011.15
5.2.10.0000.04311.04
5.2.00.0030.04010.55
5.1.60.0030.0379.96
5.1.50.0070.0339.96
5.1.40.0130.04310.06
5.1.30.0070.03310.39
5.1.20.0030.04310.18
5.1.10.0070.03310.04
5.1.00.0100.03010.02
5.0.50.0030.0308.63
5.0.40.0130.0308.57
5.0.30.0000.0478.14
5.0.20.0030.0408.34
5.0.10.0070.0238.32
5.0.00.0070.0378.13
4.4.90.0070.0206.99
4.4.80.0030.0306.99
4.4.70.0000.0236.99
4.4.60.0030.0206.99
4.4.50.0030.0206.99
4.4.40.0030.0336.99
4.4.30.0070.0276.99
4.4.20.0000.0236.99
4.4.10.0030.0236.99
4.4.00.0000.0336.99
4.3.110.0070.0206.99
4.3.100.0000.0236.99
4.3.90.0070.0176.99
4.3.80.0030.0336.99
4.3.70.0070.0176.99
4.3.60.0000.0306.99
4.3.50.0070.0176.99
4.3.40.0000.0376.99
4.3.30.0030.0206.99
4.3.20.0000.0236.99
4.3.10.0000.0206.99
4.3.00.0100.0237.08

preferences:
39.53 ms | 401 KiB | 5 Q