3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = "Line <br> Line <br> Line <br> Line <br> Line <br> Line <br>"; $replace = array("1", "2", "3", "4"); $counter = 0; $text = preg_replace_callback('~<br\s*/?>~', function($m) use($replace, &$counter) { if ($counter === count($replace)) { $counter = 0; } return $replace[$counter++]; }, $text); echo $text;

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)
8.4.120.0110.00920.28
8.4.110.0120.00922.55
8.4.100.0090.00918.86
8.4.90.0120.00820.43
8.4.80.0110.00818.73
8.4.70.0100.00617.95
8.4.60.0150.00518.97
8.4.50.0060.00518.04
8.4.40.0160.00018.11
8.4.30.0160.00320.36
8.4.20.0120.00919.73
8.4.10.0150.00318.80
8.3.250.0100.00718.86
8.3.240.0070.01317.00
8.3.230.0140.00516.93
8.3.220.0060.00218.98
8.3.210.0140.00418.62
8.3.200.0040.00516.71
8.3.190.0090.01017.38
8.3.180.0120.00716.60
8.3.170.0040.01418.90
8.3.160.0090.00918.65
8.3.150.0000.00820.98
8.3.140.0040.01218.50
8.3.130.0040.00416.70
8.3.120.0000.00818.95
8.3.110.0040.01220.94
8.3.100.0090.00024.06
8.3.90.0080.00026.77
8.3.80.0050.00517.00
8.3.70.0120.00316.75
8.3.60.0070.00717.00
8.3.50.0090.00618.38
8.3.40.0070.00719.21
8.3.30.0120.00618.96
8.3.20.0030.00624.18
8.3.10.0040.00424.66
8.3.00.0000.00726.16
8.2.290.0050.00520.43
8.2.280.0060.00318.63
8.2.270.0110.00717.21
8.2.260.0080.00020.70
8.2.250.0060.00316.93
8.2.240.0050.00518.91
8.2.230.0080.00022.58
8.2.220.0000.00837.54
8.2.210.0050.00326.77
8.2.200.0060.00316.75
8.2.190.0080.01118.63
8.2.180.0070.01125.92
8.2.170.0150.00019.21
8.2.160.0140.00722.96
8.2.150.0000.00825.66
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0080.00021.02
8.2.110.0030.00620.87
8.2.100.0090.00318.09
8.2.90.0000.00817.97
8.2.80.0030.00618.03
8.2.70.0060.00318.05
8.2.60.0050.00518.09
8.2.50.0030.00518.10
8.2.40.0040.00419.52
8.2.30.0040.00417.91
8.2.20.0040.00419.44
8.2.10.0000.00718.91
8.2.00.0000.00819.39
8.1.330.0110.00722.21
8.1.320.0040.00316.09
8.1.310.0080.00018.30
8.1.300.0110.00716.62
8.1.290.0030.00618.88
8.1.280.0170.00325.92
8.1.270.0040.01120.78
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00423.84
8.1.230.0070.00422.81
8.1.220.0060.00317.79
8.1.210.0000.00818.78
8.1.200.0060.00617.48
8.1.190.0090.00017.48
8.1.180.0040.00418.10
8.1.170.0080.00018.59
8.1.160.0070.00018.90
8.1.150.0000.00718.79
8.1.140.0070.00017.58
8.1.130.0080.00018.91
8.1.120.0000.00717.53
8.1.110.0040.00417.51
8.1.100.0060.00317.58
8.1.90.0030.00517.58
8.1.80.0040.00417.50
8.1.70.0070.00017.66
8.1.60.0050.00317.75
8.1.50.0050.00517.64
8.1.40.0040.00417.59
8.1.30.0000.00917.82
8.1.20.0040.00417.82
8.1.10.0000.01317.58
8.1.00.0040.00417.69
8.0.300.0040.00419.71
8.0.290.0000.00816.75
8.0.280.0080.00018.46
8.0.270.0000.00717.00
8.0.260.0030.00318.39
8.0.250.0030.00517.08
8.0.240.0070.00017.08
8.0.230.0000.00817.14
8.0.220.0040.00416.98
8.0.210.0030.00517.00
8.0.200.0080.00017.07
8.0.190.0040.00417.17
8.0.180.0040.00417.09
8.0.170.0000.00817.08
8.0.160.0030.00616.92
8.0.150.0000.00716.85
8.0.140.0000.00816.89
8.0.130.0100.00215.76
8.0.120.0070.00517.01
8.0.110.0080.00516.95
8.0.100.0090.00316.96
8.0.90.0070.00517.00
8.0.80.0100.00316.96
8.0.70.0080.00416.95
8.0.60.0100.00516.99
8.0.50.0130.00216.93
8.0.30.0090.00616.97
8.0.20.0110.00417.08
8.0.10.0130.00417.13
8.0.00.0020.00717.09
7.4.330.0000.00515.55
7.4.320.0000.00616.77
7.4.300.0070.00016.78
7.4.290.0100.00016.77
7.4.280.0040.00416.72
7.4.270.0030.00316.75
7.4.260.0080.00216.75
7.4.250.0100.00816.67
7.4.240.0120.00616.73
7.4.230.0110.00816.72
7.4.220.0090.00716.77
7.4.210.0090.00516.63
7.4.200.0130.00116.72
7.4.190.0100.00416.79
7.4.180.0070.00816.81
7.4.160.0100.00416.75
7.4.150.0090.00516.73
7.4.140.0100.00516.70
7.4.130.0090.00516.60
7.4.120.0060.00816.67
7.4.110.0090.00516.57
7.4.100.0110.00416.73
7.4.90.0070.00816.69
7.4.80.0110.00316.70
7.4.70.0130.00116.62
7.4.60.0120.00216.70
7.4.50.0100.00416.63
7.4.40.0120.00216.67
7.4.30.0100.00416.71
7.4.20.0090.00516.57
7.4.10.0140.00016.60
7.4.00.0120.00216.67
7.3.330.0100.00616.51
7.3.320.0080.00615.50
7.3.310.0090.00516.38
7.3.300.0100.00516.52
7.3.290.0090.00516.50
7.3.280.0080.00616.50
7.3.270.0070.00616.35
7.3.260.0090.00516.46
7.3.250.0060.00916.34
7.3.240.0090.00516.35
7.3.230.0110.00416.40
7.3.220.0090.00416.40
7.3.210.0110.00416.37
7.3.200.0120.00316.38
7.3.190.0090.00516.34
7.3.180.0110.00416.31
7.3.170.0070.00716.33
7.3.160.0100.00516.35
7.3.150.0100.00516.35
7.3.140.0100.00516.39
7.3.130.0120.00216.28
7.3.120.0090.00516.40
7.3.110.0080.00616.35
7.3.100.0090.00516.32
7.3.90.0130.00216.69
7.3.80.0060.00716.43
7.3.70.0080.00516.52
7.3.60.0080.00416.56
7.3.50.0080.00216.54
7.3.40.0080.00316.44
7.3.30.0070.00416.56
7.3.20.0050.00518.43
7.3.10.0050.00518.28
7.3.00.0080.00118.29

preferences:
34.54 ms | 403 KiB | 5 Q