3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = "Lorem ABC ipsum ABC bla MNO bla ipsum ABC asfg 123 hello ABC dd ABC XYZ hello ABC"; echo preg_replace_callback('~(?<=MNO).*?(?=XYZ)~s', function($m) { return str_replace('ABC', 'XXX', $m[0]); }, $s); echo "\n"; echo preg_replace_callback('~(MNO)(.*?)(XYZ)~s', function($m) { return $m[1] . str_replace('ABC', 'XXX', $m[2]) . $m[3]; }, $s);

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)
8.5.10.0140.00516.95
8.5.00.0140.00920.29
8.4.160.0110.01023.83
8.4.150.0010.00114.05
8.4.140.0180.01517.86
8.4.130.0110.00918.61
8.4.120.0080.01024.00
8.4.110.0040.00619.12
8.4.100.0130.00817.89
8.4.90.0140.00817.95
8.4.80.0130.00218.25
8.4.70.0070.00617.83
8.4.60.0030.00619.00
8.4.50.0080.01120.54
8.4.40.0110.00422.68
8.4.30.0070.01022.32
8.4.20.0040.00418.58
8.4.10.0070.01319.65
8.3.280.0110.01018.54
8.3.270.0080.01116.97
8.3.260.0130.00716.71
8.3.250.0100.00918.86
8.3.240.0120.00617.13
8.3.230.0120.00816.76
8.3.220.0130.00617.13
8.3.210.0090.00516.55
8.3.200.0060.00316.82
8.3.190.0120.00917.22
8.3.180.0100.00918.85
8.3.170.0060.01220.72
8.3.160.0120.00617.08
8.3.150.0070.01416.55
8.3.140.0050.00317.09
8.3.130.0080.00018.58
8.3.120.0000.00818.85
8.3.110.0090.00020.94
8.3.100.0030.00624.06
8.3.90.0070.00726.77
8.3.80.0000.01017.97
8.3.70.0110.00416.75
8.3.60.0070.01018.43
8.3.50.0090.00817.51
8.3.40.0120.00618.92
8.3.30.0040.01118.84
8.3.20.0000.00820.68
8.3.10.0060.00320.82
8.3.00.0090.00019.51
8.2.290.0050.00320.84
8.2.280.0090.00718.67
8.2.270.0090.00917.09
8.2.260.0040.00416.59
8.2.250.0120.00816.83
8.2.240.0050.00318.97
8.2.230.0030.00622.58
8.2.220.0060.01337.54
8.2.210.0110.00726.77
8.2.200.0120.00016.47
8.2.190.0070.00718.50
8.2.180.0070.00718.66
8.2.170.0110.00422.96
8.2.160.0120.00419.36
8.2.150.0050.00224.18
8.2.140.0000.00924.66
8.2.130.0080.00019.39
8.2.120.0040.00426.35
8.2.110.0060.00322.23
8.2.100.0070.00417.97
8.2.90.0000.00818.22
8.2.80.0060.00317.97
8.2.70.0030.00617.88
8.2.60.0050.00318.05
8.2.50.0060.00318.07
8.2.40.0000.00820.13
8.2.30.0030.00518.30
8.2.20.0000.00718.14
8.2.10.0040.00419.48
8.2.00.0030.00618.16
8.1.330.0130.00721.92
8.1.320.0030.00516.23
8.1.310.0080.00016.50
8.1.300.0090.00018.57
8.1.290.0030.00630.84
8.1.280.0090.00925.92
8.1.270.0120.00623.99
8.1.260.0060.00326.35
8.1.250.0000.00828.09
8.1.240.0090.00023.96
8.1.230.0040.00720.92
8.1.220.0060.00317.74
8.1.210.0070.00518.85
8.1.200.0030.00617.48
8.1.190.0040.00417.48
8.1.180.0040.00418.73
8.1.170.0040.00418.95
8.1.160.0030.00518.93
8.1.150.0040.00419.00
8.1.140.0040.00420.18
8.1.130.0000.00720.30
8.1.120.0030.00317.63
8.1.110.0050.00317.57
8.1.100.0000.00717.57
8.1.90.0000.00717.54
8.1.80.0040.00417.62
8.1.70.0000.00817.63
8.1.60.0000.00817.75
8.1.50.0040.00417.70
8.1.40.0080.00017.73
8.1.30.0030.00617.84
8.1.20.0040.00417.83
8.1.10.0000.00817.72
8.1.00.0030.00517.73
8.0.300.0040.00419.86
8.0.290.0000.00816.75
8.0.280.0000.00718.44
8.0.270.0000.00717.19
8.0.260.0070.00018.42
8.0.250.0000.00717.00
8.0.240.0000.00717.06
8.0.230.0030.00517.00
8.0.220.0030.00317.01
8.0.210.0070.00016.98
8.0.200.0070.00017.17
8.0.190.0000.00816.97
8.0.180.0050.00317.14
8.0.170.0030.00516.91
8.0.160.0050.00217.06
8.0.150.0000.00717.05
8.0.140.0000.00717.05
8.0.130.0030.00313.39
8.0.120.0000.00717.01
8.0.110.0040.00417.05
8.0.100.0030.00517.12
8.0.90.0020.00517.06
8.0.80.0060.00917.00
8.0.70.0050.00316.87
8.0.60.0070.00017.12
8.0.50.0050.00316.94
8.0.30.0070.01117.40
8.0.20.0200.00617.21
8.0.10.0040.00417.22
8.0.00.0080.01517.08
7.4.330.0030.00315.55
7.4.320.0030.00316.73
7.4.300.0040.00416.72
7.4.290.0030.00316.82
7.4.280.0000.00816.73
7.4.270.0000.00716.73
7.4.260.0050.00216.71
7.4.250.0040.00416.80
7.4.240.0040.00416.68
7.4.230.0040.00416.85
7.4.220.0000.00816.79
7.4.210.0100.00716.71
7.4.200.0080.00016.91
7.4.140.0050.01517.86
7.4.130.0120.00616.98
7.4.120.0120.00916.73
7.4.110.0130.00616.57
7.4.100.0110.00716.74
7.4.90.0150.00316.98
7.4.80.0110.01119.39
7.4.70.0060.01016.59
7.4.60.0110.01016.84
7.4.50.0070.01016.45
7.4.40.0080.00816.72
7.4.00.0090.00915.21
7.3.330.0050.00013.54
7.3.320.0060.00013.47
7.3.310.0030.00316.51
7.3.300.0000.00716.47
7.3.290.0070.00016.42
7.3.280.0050.01316.39
7.3.260.0130.00716.60
7.3.230.0070.01016.46
7.3.210.0070.01016.66
7.3.200.0070.01016.72
7.3.190.0090.00916.50
7.3.180.0040.01816.69
7.3.170.0120.00916.38
7.3.160.0120.00416.70
7.3.120.0090.00914.80
7.3.110.0030.01214.93
7.3.100.0100.00314.77
7.3.90.0000.01314.74
7.3.80.0090.00614.92
7.3.70.0000.01314.81
7.3.60.0080.00814.83
7.3.50.0110.00014.89
7.3.40.0040.01114.93
7.3.30.0060.00915.03
7.3.20.0050.01016.73
7.3.10.0070.00716.77
7.3.00.0050.00816.77
7.2.330.0100.00716.94
7.2.320.0080.00916.83
7.2.310.0040.01316.77
7.2.300.0080.00816.82
7.2.290.0040.01416.87
7.2.250.0100.00715.08
7.2.240.0030.01615.21
7.2.230.0090.00914.84
7.2.220.0080.01114.74
7.2.210.0070.00715.06
7.2.200.0070.01015.16
7.2.190.0070.00715.16
7.2.180.0030.00715.11
7.2.170.0070.00715.29
7.2.150.0140.00716.97
7.2.140.0030.01017.04
7.2.130.0000.01117.00
7.2.120.0030.00716.91
7.2.110.0070.01516.93
7.2.100.0080.01616.89
7.2.90.0030.00917.11
7.2.80.0000.01117.00
7.2.70.0130.01017.09
7.2.60.0070.00717.08
7.2.50.0090.00617.07
7.2.40.0100.00317.17
7.2.30.0030.01017.06
7.2.20.0040.00716.78
7.2.10.0100.00017.11
7.2.00.0090.00316.86
7.1.330.0030.01016.12
7.1.320.0040.00716.11
7.1.310.0030.01115.82
7.1.300.0030.00915.75
7.1.290.0030.00616.06
7.1.280.0070.01015.88
7.1.270.0120.00315.90
7.1.260.0030.01015.71
7.1.250.0040.00715.82

preferences:
37.79 ms | 403 KiB | 5 Q