3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string_source = 'blabla[Sun][Sun]blabla[Moon][Moon][Moon]blabla[Sun][Sun][Sun][Sun]blabla[Venus]'; $string_source = preg_replace_callback('/(\[[^[]]+\])+/', function($matches) { return $matches[1].'['.(strlen($matches[0])/strlen($matches[1])).']'; }, $string_source); var_dump($string_source);

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)
8.3.70.0120.00916.75
8.3.60.0100.01018.55
8.3.50.0110.00622.05
8.3.40.0090.00618.89
8.3.30.0170.00018.96
8.3.20.0000.00720.34
8.3.10.0030.00522.13
8.3.00.0040.00422.39
8.2.180.0150.00616.50
8.2.170.0090.00922.96
8.2.160.0150.00320.47
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0040.00420.38
8.2.110.0060.00320.38
8.2.100.0070.00419.76
8.2.90.0060.00319.09
8.2.80.0050.00317.97
8.2.70.0090.00017.63
8.2.60.0030.00517.93
8.2.50.0050.00318.07
8.2.40.0040.00418.22
8.2.30.0050.00318.02
8.2.20.0000.00717.91
8.2.10.0040.00419.57
8.2.00.0080.00017.77
8.1.280.0090.00925.92
8.1.270.0000.00723.99
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0030.00523.92
8.1.230.0080.00319.16
8.1.220.0060.00317.79
8.1.210.0050.00318.77
8.1.200.0070.00317.48
8.1.190.0080.00017.42
8.1.180.0050.00318.10
8.1.170.0000.00918.68
8.1.160.0050.00222.04
8.1.150.0030.00518.81
8.1.140.0000.00717.52
8.1.130.0000.00717.85
8.1.120.0070.00017.66
8.1.110.0000.00717.51
8.1.100.0040.00417.49
8.1.90.0050.00317.61
8.1.80.0040.00417.56
8.1.70.0000.00717.54
8.1.60.0050.00817.63
8.1.50.0070.00017.67
8.1.40.0000.00917.72
8.1.30.0050.00217.82
8.1.20.0000.00917.87
8.1.10.0040.00417.61
8.1.00.0000.00817.56
8.0.300.0060.00318.77
8.0.290.0040.00417.05
8.0.280.0070.00018.41
8.0.270.0020.00517.26
8.0.260.0070.00016.89
8.0.250.0000.00717.05
8.0.240.0040.00416.92
8.0.230.0040.00417.11
8.0.220.0000.00716.96
8.0.210.0040.00416.87
8.0.200.0060.00017.09
8.0.190.0000.00817.12
8.0.180.0000.00717.08
8.0.170.0080.00017.07
8.0.160.0040.00417.00
8.0.150.0070.00016.96
8.0.140.0040.00417.04
8.0.130.0000.00613.51
8.0.120.0050.00316.93
8.0.110.0040.00416.93
8.0.100.0030.00517.10
8.0.90.0000.00816.93
8.0.80.0030.01317.04
8.0.70.0000.00717.02
8.0.60.0080.00016.99
8.0.50.0000.00716.91
8.0.30.0090.01517.23
8.0.20.0060.01217.40
8.0.10.0070.00017.00
8.0.00.0130.00416.94
7.4.330.0050.00015.21
7.4.320.0060.00016.80
7.4.300.0000.00616.86
7.4.290.0030.00616.73
7.4.280.0030.00616.79
7.4.270.0000.00816.71
7.4.260.0000.01016.65
7.4.250.0040.00416.79
7.4.240.0020.00516.82
7.4.230.0030.00316.72
7.4.220.0100.00716.78
7.4.210.0090.00816.80
7.4.200.0030.00516.79
7.4.190.0000.00916.98
7.4.160.0070.01116.71
7.4.150.0090.00917.40
7.4.140.0090.01017.86
7.4.130.0110.00816.83
7.4.120.0090.00816.80
7.4.110.0200.00016.73
7.4.100.0110.00516.62
7.4.90.0090.01516.73
7.4.80.0130.00719.39
7.4.70.0060.01616.50
7.4.60.0130.00716.52
7.4.50.0000.00416.39
7.4.40.0040.01422.77
7.4.30.0070.01016.75
7.4.00.0070.00715.05
7.3.330.0040.00413.16
7.3.320.0000.00513.18
7.3.310.0000.00816.29
7.3.300.0000.00716.38
7.3.290.0070.00716.38
7.3.280.0070.01316.36
7.3.270.0100.00717.40
7.3.260.0100.00616.51
7.3.250.0140.00516.59
7.3.240.0060.01316.34
7.3.230.0210.00316.52
7.3.210.0100.00716.72
7.3.200.0030.01419.39
7.3.190.0120.00616.30
7.3.180.0060.01316.80
7.3.170.0080.00816.68
7.3.160.0130.01016.71
7.3.120.0060.00315.20
7.2.330.0090.01216.66
7.2.320.0150.00916.72
7.2.310.0070.01116.75
7.2.300.0030.01516.55
7.2.290.0100.00716.66
7.2.00.0040.01519.57
7.1.100.0040.00818.55
7.1.70.0060.00617.09
7.1.60.0060.01919.82
7.1.50.0090.01317.14
7.1.00.0100.06722.41
7.0.200.0030.00616.82
7.0.140.0000.07322.21
7.0.60.0070.07720.05
7.0.50.0100.07717.88
7.0.40.0170.07320.28
7.0.30.0230.04720.14
7.0.20.0370.07720.12
7.0.10.0230.06020.21
7.0.00.0100.08020.16
5.6.280.0000.07721.16
5.6.210.0070.08020.69
5.6.200.0030.08318.27
5.6.190.0100.04020.77
5.6.180.3170.04020.46
5.6.170.0230.08020.56
5.6.160.0030.09320.52
5.6.150.0030.04018.23
5.6.140.0070.08018.12
5.6.130.0100.07718.15
5.6.120.0070.08320.92
5.6.110.0100.09020.98
5.6.100.0200.06721.11
5.6.90.0100.04721.01
5.6.80.0100.07020.54
5.6.70.0200.03320.28
5.5.350.0030.04020.33
5.5.340.0070.05718.09
5.5.330.0000.04320.27
5.5.320.0230.08720.42
5.5.310.0200.08720.36
5.5.300.0070.07018.08
5.5.290.0070.05318.02
5.5.280.0030.06720.73
5.5.270.0030.08720.87
5.5.260.0100.04020.84
5.5.250.0170.07720.59
5.5.240.0100.06320.16
5.4.450.0470.06019.57
5.4.440.0770.05319.64
5.4.430.0030.06019.42
5.4.420.0100.05719.53
5.4.410.0130.05019.10
5.4.400.0970.00018.82
5.4.390.1430.00018.76
5.4.380.0270.05718.46
5.4.370.0070.06018.63
5.4.360.0030.06018.50
5.4.350.0100.05718.57
5.4.340.0170.05018.50
5.4.320.0090.04012.50
5.4.310.0080.03812.50
5.4.300.0050.03712.51
5.4.290.0030.04212.50
5.4.280.0060.03512.40
5.4.270.0170.07718.91
5.4.260.0070.05318.80
5.4.250.0070.06718.93
5.4.240.0130.06318.75
5.4.230.0330.04318.96
5.4.220.0100.08018.96
5.4.210.0100.08018.92
5.4.200.0100.05318.96
5.4.190.0170.07018.86
5.4.180.0100.05719.05
5.4.170.0200.06018.90
5.4.160.0100.07318.71
5.4.150.0170.07318.91
5.4.140.0200.05716.41
5.4.130.0100.04716.52
5.4.120.0170.04316.49
5.4.110.0130.06316.49
5.4.100.0230.05016.44
5.4.90.0130.06316.35
5.4.80.0070.09316.60
5.4.70.0230.04716.44
5.4.60.0070.05316.52
5.4.50.0070.07716.50
5.4.40.0200.06716.64
5.4.30.0200.06016.34
5.4.20.0070.07716.48
5.4.10.0030.06716.42
5.4.00.0030.06315.87
5.3.290.0060.04012.80
5.3.280.0130.05314.68
5.3.270.0070.07014.70
5.3.260.0170.05714.61
5.3.250.0100.05014.51
5.3.240.0200.06014.69
5.3.230.0030.06314.67
5.3.220.0200.04714.72
5.3.210.0130.05314.66
5.3.200.0100.07014.75
5.3.190.0100.06314.70
5.3.180.0130.05014.46
5.3.170.0130.06314.54
5.3.160.0130.06314.58
5.3.150.0030.06714.63
5.3.140.0100.06714.62
5.3.130.0130.07314.56
5.3.120.0170.05014.63
5.3.110.0100.07314.54
5.3.100.0030.05714.19
5.3.90.0030.06314.09
5.3.80.0170.06014.08
5.3.70.0130.06014.11
5.3.60.0130.05314.13
5.3.50.0100.06713.93
5.3.40.0130.05014.01
5.3.30.0130.04313.99
5.3.20.0030.05713.79
5.3.10.0070.07013.55
5.3.00.0130.07013.64
5.2.170.0030.06311.07
5.2.160.0070.04311.29
5.2.150.0070.04311.05
5.2.140.0130.05011.07
5.2.130.0130.03711.10
5.2.120.0030.04311.02
5.2.110.0130.04011.10
5.2.100.0270.03311.21
5.2.90.0070.04311.24
5.2.80.0100.05311.02
5.2.70.0100.04311.02
5.2.60.0100.05310.98
5.2.50.0000.05310.94
5.2.40.0130.03311.11
5.2.30.0130.04010.73
5.2.20.0030.06010.72
5.2.10.0100.06010.93
5.2.00.0130.03710.65
5.1.60.0070.0339.92
5.1.50.0030.04010.05
5.1.40.0130.03010.16
5.1.30.0070.03710.49
5.1.20.0070.04010.41
5.1.10.0070.0339.98
5.1.00.0130.03010.30
5.0.50.0100.0378.47
5.0.40.0100.0378.33
5.0.30.0100.0538.11
5.0.20.0070.0338.26
5.0.10.0100.0338.00
5.0.00.0000.0608.22
4.4.90.0070.0275.91
4.4.80.0100.0175.89
4.4.70.0030.0205.89
4.4.60.0100.0275.89
4.4.50.0070.0235.89
4.4.40.0100.0305.90
4.4.30.0100.0235.81
4.4.20.0100.0235.88
4.4.10.0000.0275.80
4.4.00.0030.0305.82
4.3.110.0000.0275.80
4.3.100.0070.0235.80
4.3.90.0000.0235.80
4.3.80.0030.0405.76
4.3.70.0030.0205.76
4.3.60.0000.0305.76
4.3.50.0070.0275.71
4.3.40.0030.0335.63
4.3.30.0070.0205.57
4.3.20.0070.0235.57
4.3.10.0070.0205.57
4.3.00.0070.0236.03

preferences:
38.65 ms | 401 KiB | 5 Q