3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ubbText = <<<TEXT [b]Hey[/b] [b]Hello[/b] TEXT; $counter = 0; do { $ubbText = preg_replace( "~\[b](.*?)\[/b]~si", '<span class="b">' . (++$counter) . '. $1</span>', $ubbText, 1, $count ); } while ($count); echo $ubbText;

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)
8.4.120.0120.00823.97
8.4.110.0150.00522.42
8.4.100.0140.00718.80
8.4.90.0110.01018.82
8.4.80.0120.00620.68
8.4.70.0040.00518.39
8.4.60.0150.00518.51
8.4.50.0060.00318.78
8.4.40.0070.01018.88
8.4.30.0160.00318.70
8.4.20.0080.00017.93
8.4.10.0000.00919.60
8.3.250.0030.00619.03
8.3.240.0080.00817.10
8.3.230.0080.00018.41
8.3.220.0100.00919.03
8.3.210.0070.01118.32
8.3.200.0050.00316.64
8.3.190.0100.01117.02
8.3.180.0150.00918.90
8.3.170.0130.00620.79
8.3.160.0080.00020.23
8.3.150.0090.00916.92
8.3.140.0110.00419.18
8.3.130.0080.00018.29
8.3.120.0080.01218.88
8.3.110.0090.00320.94
8.3.100.0110.00424.06
8.3.90.0060.00326.77
8.3.80.0070.00419.36
8.3.70.0080.00816.88
8.3.60.0040.01118.39
8.3.50.0070.01323.79
8.3.40.0170.00321.86
8.3.30.0110.00418.73
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0080.00026.16
8.2.290.0110.00820.68
8.2.280.0090.01218.34
8.2.270.0130.00618.94
8.2.260.0070.00716.78
8.2.250.0030.00916.76
8.2.240.0060.00317.46
8.2.230.0080.00022.58
8.2.220.0060.00337.54
8.2.210.0030.00526.77
8.2.200.0090.00018.88
8.2.190.0040.01816.66
8.2.180.0210.00025.92
8.2.170.0150.00619.08
8.2.160.0000.01422.96
8.2.150.0040.00425.66
8.2.140.0030.00524.66
8.2.130.0080.00026.16
8.2.120.0040.00420.91
8.2.110.0070.00321.23
8.2.100.0120.00017.97
8.2.90.0040.00419.74
8.2.80.0050.00320.52
8.2.70.0070.00417.93
8.2.60.0000.00818.22
8.2.50.0000.00818.10
8.2.40.0040.00419.48
8.2.30.0050.00319.34
8.2.20.0040.00417.96
8.2.10.0040.00419.38
8.2.00.0040.00419.32
8.1.330.0130.00622.13
8.1.320.0130.00316.23
8.1.310.0040.00418.59
8.1.300.0090.00018.21
8.1.290.0030.00730.84
8.1.280.0180.00025.92
8.1.270.0090.00021.99
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0000.00922.27
8.1.230.0060.00622.63
8.1.220.0000.00817.77
8.1.210.0050.00318.90
8.1.200.0000.00817.36
8.1.190.0040.00417.35
8.1.180.0000.00818.10
8.1.170.0000.00818.60
8.1.160.0040.00419.13
8.1.150.0040.00418.97
8.1.140.0040.00418.91
8.1.130.0000.00720.15
8.1.120.0000.00717.65
8.1.110.0050.00317.57
8.1.100.0000.00717.52
8.1.90.0000.00717.60
8.1.80.0070.00317.62
8.1.70.0000.00717.61
8.1.60.0040.00417.61
8.1.50.0000.00917.52
8.1.40.0030.00617.60
8.1.30.0040.00417.64
8.1.20.0030.00517.79
8.1.10.0000.00817.65
8.1.00.0000.00717.63
8.0.300.0040.00420.09
8.0.290.0030.00616.88
8.0.280.0040.00418.47
8.0.270.0050.00216.94
8.0.260.0040.00418.59
8.0.250.0070.00017.07
8.0.240.0000.00717.08
8.0.230.0070.00017.07
8.0.220.0000.00716.99
8.0.210.0000.00817.02
8.0.200.0080.00017.13
8.0.190.0000.00817.17
8.0.180.0080.00017.07
8.0.170.0030.00616.95
8.0.160.0060.00317.09
8.0.150.0000.00717.15
8.0.140.0000.00717.01
8.0.130.0050.00013.62
8.0.120.0000.00717.07
8.0.110.0060.00217.09
8.0.100.0030.00516.94
8.0.90.0030.00516.99
8.0.80.0040.00817.04
8.0.70.0030.00517.02
8.0.60.0040.00417.05
8.0.50.0030.00516.98
8.0.30.0050.00717.09
8.0.20.0060.01017.01
8.0.10.0040.00317.14
8.0.00.0070.00617.01
7.4.330.0050.00015.55
7.4.320.0070.00016.75
7.4.300.0000.00716.80
7.4.290.0000.00716.64
7.4.280.0040.00416.73
7.4.270.0030.00316.77
7.4.260.0070.00013.41
7.4.250.0070.00016.72
7.4.240.0060.00116.67
7.4.230.0020.00616.57
7.4.220.0030.00416.68
7.4.210.0050.00816.65
7.4.200.0020.00616.73
7.4.190.0040.00416.76
7.4.180.0000.00816.75
7.4.160.0040.00416.68
7.4.150.0040.00416.69
7.4.140.0070.00016.65
7.4.130.0090.00616.75
7.4.120.0040.01016.65
7.4.110.0070.00516.64
7.4.100.0070.00516.69
7.4.90.0050.00716.64
7.4.80.0090.00316.53
7.4.70.0090.00316.56
7.4.60.0090.00316.71
7.4.50.0070.00616.61
7.4.40.0020.01116.51
7.4.30.0100.00316.65
7.4.20.0070.00616.75
7.4.10.0050.00816.62
7.4.00.0030.01016.65
7.3.330.0090.00016.32
7.3.320.0030.00313.37
7.3.310.0010.00616.42
7.3.300.0030.00316.31
7.3.290.0080.00616.46
7.3.280.0030.00616.40
7.3.270.0000.00816.28
7.3.260.0060.00616.49
7.3.250.0000.00816.29
7.3.240.0030.00916.45
7.3.230.0060.00616.53
7.3.220.0090.00316.49
7.3.210.0050.00816.43
7.3.200.0080.00416.45
7.3.190.0050.00616.45
7.3.180.0040.00716.55
7.3.170.0000.01216.48
7.3.160.0080.00416.49
7.3.150.0020.01016.41
7.3.140.0120.01016.44
7.3.130.0150.00516.51
7.3.120.0140.00716.50
7.3.110.0050.01016.50
7.3.100.0110.00716.47
7.3.90.0100.01116.52
7.3.80.0040.01016.45
7.3.70.0080.00616.48
7.3.60.0110.00716.48
7.3.50.0130.00916.54
7.3.40.0090.00716.40
7.3.30.0100.00616.55
7.3.20.0130.00517.44
7.3.10.0110.00617.52
7.3.00.0160.00617.42
7.2.340.0150.00316.60
7.2.330.0090.00816.65
7.2.320.0120.00416.69
7.2.310.0070.00816.54
7.2.300.0110.00416.56
7.2.290.0100.00516.69
7.2.280.0120.00516.60
7.2.270.0060.01116.64
7.2.260.0170.00916.63
7.2.250.0130.00616.53
7.2.240.0120.00716.66
7.2.230.0080.01016.60
7.2.220.0140.00916.78
7.2.210.0100.00916.62
7.2.200.0150.00516.79
7.2.190.0190.00416.72
7.2.180.0140.00716.81
7.2.170.0140.00716.63
7.2.160.0090.01016.52
7.2.150.0130.00717.66
7.2.140.0200.00517.66
7.2.130.0080.01117.72
7.2.120.0150.00417.71
7.2.110.0140.00517.69
7.2.100.0180.00717.76
7.2.90.0180.00717.66
7.2.80.0120.00817.51
7.2.70.0100.00817.63
7.2.60.0180.00517.70
7.2.50.0150.00517.60
7.2.40.0100.00717.66
7.2.30.0070.01417.64
7.2.20.0140.00217.63
7.2.10.0140.00917.43
7.2.00.0120.00617.78

preferences:
34.15 ms | 403 KiB | 5 Q