3v4l.org

run code in 300+ PHP versions simultaneously
<?php $hexColor = '012'; echo implode('', array_map(function($color){ return str_repeat($color, 2); }, str_split($hexColor))); echo PHP_EOL; echo preg_replace("~([0-9a-f])~", "\1\1", $hexColor); echo PHP_EOL;

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)
8.3.60.0000.01818.43
8.3.50.0100.00822.05
8.3.40.0140.00018.93
8.3.30.0100.00719.21
8.3.20.0050.00220.30
8.3.10.0040.00421.55
8.3.00.0140.00019.20
8.2.180.0110.00718.79
8.2.170.0070.01122.96
8.2.160.0070.00722.21
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0100.00017.93
8.2.110.0030.00622.19
8.2.100.0040.00817.91
8.2.90.0000.00819.23
8.2.80.0000.00917.97
8.2.70.0040.00417.75
8.2.60.0040.00417.93
8.2.50.0060.00318.07
8.2.40.0080.00018.28
8.2.30.0000.00818.05
8.2.20.0030.00617.84
8.2.10.0000.00718.21
8.2.00.0070.00017.84
8.1.280.0130.00725.92
8.1.270.0030.00618.73
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0090.00024.00
8.1.230.0070.00419.22
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0040.00417.47
8.1.180.0030.00619.13
8.1.170.0050.00518.66
8.1.160.0000.00722.05
8.1.150.0040.00418.92
8.1.140.0060.00317.55
8.1.130.0040.00417.90
8.1.120.0040.00417.52
8.1.110.0000.00817.50
8.1.100.0000.00717.50
8.1.90.0030.00517.57
8.1.80.0070.00017.55
8.1.70.0000.00717.61
8.1.60.0060.00317.65
8.1.50.0060.00317.57
8.1.40.0060.00317.70
8.1.30.0000.00817.72
8.1.20.0040.00417.70
8.1.10.0070.00017.69
8.1.00.0070.00017.49
8.0.300.0000.00718.77
8.0.290.0000.00716.88
8.0.280.0030.00318.40
8.0.270.0040.00417.20
8.0.260.0030.00317.23
8.0.250.0000.00717.14
8.0.240.0030.00317.09
8.0.230.0030.00316.88
8.0.220.0000.00716.99
8.0.210.0070.00016.98
8.0.200.0020.00517.16
8.0.190.0000.00717.14
8.0.180.0040.00416.95
8.0.170.0000.00716.98
8.0.160.0040.00417.02
8.0.150.0040.00417.08
8.0.140.0070.00017.00
8.0.130.0000.00613.50
8.0.120.0000.00816.96
8.0.110.0000.00816.95
8.0.100.0040.00417.07
8.0.90.0070.00017.02
8.0.80.0060.01216.98
8.0.70.0000.00716.86
8.0.60.0050.00316.94
8.0.50.0000.00716.98
8.0.30.0120.01116.89
8.0.20.0090.01217.40
8.0.10.0040.00417.27
8.0.00.0100.00717.01
7.4.330.0030.00315.03
7.4.320.0000.00616.66
7.4.300.0000.00616.70
7.4.290.0030.00316.78
7.4.280.0050.00216.79
7.4.270.0000.00716.64
7.4.260.0040.00416.79
7.4.250.0040.00416.57
7.4.240.0000.00716.72
7.4.230.0070.00016.65
7.4.220.0110.00716.58
7.4.210.0150.00016.81
7.4.200.0040.00416.69
7.4.160.0060.01016.71
7.4.150.0190.00017.40
7.4.140.0120.00717.86
7.4.130.0090.00916.58
7.4.120.0080.00816.65
7.4.110.0130.01016.80
7.4.100.0070.01016.49
7.4.90.0120.00616.60
7.4.80.0070.01219.39
7.4.70.0130.00916.63
7.4.60.0130.00316.73
7.4.50.0000.00816.56
7.4.40.0000.02116.76
7.4.30.0100.01416.74
7.4.00.0030.00915.31
7.3.330.0030.00313.31
7.3.320.0000.00513.34
7.3.310.0000.00816.23
7.3.300.0070.00016.36
7.3.290.0080.00916.36
7.3.280.0090.01016.36
7.3.270.0090.00917.40
7.3.260.0120.00616.66
7.3.250.0120.00916.46
7.3.240.0060.01516.82
7.3.230.0150.00616.71
7.3.210.0200.00416.39
7.3.200.0070.01016.66
7.3.190.0180.00316.71
7.3.180.0090.00616.47
7.3.170.0200.00316.79
7.3.160.0130.00416.83
7.2.330.0140.00416.77
7.2.320.0000.01716.83
7.2.310.0130.00716.75
7.2.300.0090.00816.75
7.2.290.0110.00716.83
7.2.60.0090.00617.01
7.2.00.0060.00619.66
7.1.200.0060.00615.94
7.1.100.0030.00918.05
7.1.70.0000.00717.27
7.1.60.0190.00619.46
7.1.50.0040.01817.06
7.1.00.0070.07322.30
7.0.200.0040.00416.59
7.0.140.0000.03722.15
7.0.60.0100.07719.95
7.0.50.0200.02317.89
7.0.40.0100.05720.27
7.0.30.0270.08320.13
7.0.20.0130.08320.27
7.0.10.0100.07020.07
7.0.00.0030.04720.31
5.6.280.0000.07720.78
5.6.210.0030.04720.48
5.6.200.0070.03718.15
5.6.190.0070.04020.48
5.6.180.0430.07320.41
5.6.170.0230.04320.62
5.6.160.0070.05720.46
5.6.150.0070.08718.17
5.6.140.0070.06318.19
5.6.130.0130.08018.15
5.6.120.0000.06020.97
5.6.110.0100.08020.98
5.6.100.0000.04321.00
5.6.90.0100.04321.10
5.6.80.0070.03720.53
5.5.350.4070.04720.44
5.5.340.0030.06717.96
5.5.330.0070.04320.57
5.5.320.2270.04320.27
5.5.310.0370.05320.37
5.5.300.0100.08017.98
5.5.290.0000.08717.96
5.5.280.0100.08020.77
5.5.270.0170.04720.64
5.5.260.0070.03720.79
5.5.250.0030.08320.77
5.5.240.0130.07020.29
5.4.450.0500.05719.64
5.4.440.0230.04719.61
5.4.430.0070.06019.63
5.4.420.0230.06319.38
5.4.410.0130.05019.30
5.4.400.0100.05319.11
5.4.390.0170.05318.73
5.4.380.0200.05318.78
5.4.370.0200.05318.48
5.4.360.0070.06318.74
5.4.350.0230.05018.72
5.4.340.0230.05318.73
5.4.320.0170.05718.52
5.4.310.0200.05018.84
5.4.300.0270.04718.56
5.4.290.0270.04318.76
5.4.280.0130.07318.61
5.4.270.0130.05318.77
5.4.260.0200.05718.55
5.4.250.0200.06018.74
5.4.240.0300.04018.58
5.4.230.0270.04318.73
5.4.220.0200.05718.75
5.4.210.0070.06718.75
5.4.200.0300.05016.59
5.4.190.0270.07018.75
5.4.180.0230.04718.51
5.4.170.0270.05018.79
5.4.160.0270.05018.55
5.4.150.0330.04718.58
5.4.140.0300.04016.44
5.4.130.0200.04716.23
5.4.120.0200.04716.18
5.4.110.0130.05716.25
5.4.100.0300.04316.25
5.4.90.0200.05016.26
5.4.80.0200.04716.26
5.4.70.0130.05716.12
5.4.60.0200.04716.25
5.4.50.0200.05016.20
5.4.40.0100.06016.30
5.4.30.0130.05316.15
5.4.20.0200.05016.41
5.4.10.0130.05316.14
5.4.00.0200.04315.78
5.3.290.0200.05314.79
5.3.280.0230.05014.70
5.3.270.0200.06014.63
5.3.260.0130.06014.77
5.3.250.0170.05714.81
5.3.240.0300.04014.73
5.3.230.0130.05714.61
5.3.220.0170.05314.73
5.3.210.0270.06014.57
5.3.200.0130.05314.55
5.3.190.0200.06314.63
5.3.180.0200.04714.56
5.3.170.0130.05714.77
5.3.160.0200.05014.60
5.3.150.0270.06314.58
5.3.140.0200.05314.76
5.3.130.0130.06314.61
5.3.120.0230.05014.57
5.3.110.0230.05014.57
5.3.100.0130.06014.09
5.3.90.0530.04714.24
5.3.80.0100.07714.06
5.3.70.0200.06714.09
5.3.60.0330.03714.15
5.3.50.0130.05714.01
5.3.40.0100.05713.96
5.3.30.0370.05014.13
5.3.20.0230.04713.73
5.3.10.0100.05713.71
5.3.00.0130.06013.74
5.2.170.0200.04011.09
5.2.160.0170.04011.32
5.2.150.0130.06311.09
5.2.140.0230.05011.18
5.2.130.0270.04711.05
5.2.120.0230.03711.16
5.2.110.0170.03711.03
5.2.100.0300.04311.14
5.2.90.0270.03011.06
5.2.80.0200.04011.13
5.2.70.0170.05311.25
5.2.60.0130.04311.05
5.2.50.0230.03711.07
5.2.40.0200.05010.95
5.2.30.0100.04311.03
5.2.20.0100.04311.02
5.2.10.0130.04010.89
5.2.00.0100.04310.67
5.1.60.0230.02310.06
5.1.50.0100.04010.10
5.1.40.0170.0439.94
5.1.30.0070.05010.35
5.1.20.0170.03710.39
5.1.10.0230.02710.09
5.1.00.0170.03310.21
5.0.50.0030.0338.61
5.0.40.0130.0238.51
5.0.30.0130.0408.32
5.0.20.0170.0278.32
5.0.10.0070.0308.36
5.0.00.0030.0638.19
4.4.90.0100.0175.91
4.4.80.0100.0175.82
4.4.70.0070.0205.94
4.4.60.0070.0235.82
4.4.50.0030.0235.91
4.4.40.0100.0335.93
4.4.30.0030.0275.87
4.4.20.0070.0275.96
4.4.10.0100.0175.97
4.4.00.0070.0405.94
4.3.110.0130.0135.84
4.3.100.0030.0235.82
4.3.90.0100.0175.89
4.3.80.0030.0375.80
4.3.70.0070.0205.86
4.3.60.0070.0205.79
4.3.50.0070.0235.86
4.3.40.0000.0405.82
4.3.30.0030.0234.59
4.3.20.0030.0234.51
4.3.10.0070.0204.51
4.3.00.0030.0278.78

preferences:
54.28 ms | 401 KiB | 5 Q