3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ubbText = <<<TEXT [b]Hey[/b] [b]Hello[/b] TEXT; echo preg_replace_callback( "~\[b](.*?)\[/b]~si", function ($m) { static $counter = 0; return '<span class="b">' . (++$counter) . '. ' . $m[1] . '</span>'; }, $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)
8.4.120.0050.00624.10
8.4.110.0100.00922.41
8.4.100.0120.00918.55
8.4.90.0130.00618.73
8.4.80.0120.00820.52
8.4.70.0050.00418.20
8.4.60.0130.00718.57
8.4.50.0100.00518.01
8.4.40.0160.00320.43
8.4.30.0160.00320.69
8.4.20.0140.00317.98
8.4.10.0030.00619.56
8.3.250.0010.00618.88
8.3.240.0100.00817.17
8.3.230.0130.00716.69
8.3.220.0100.00818.86
8.3.210.0110.00818.49
8.3.200.0120.00816.71
8.3.190.0110.01017.13
8.3.180.0080.01016.61
8.3.170.0050.00318.94
8.3.160.0180.00017.01
8.3.150.0110.00718.87
8.3.140.0080.00017.05
8.3.130.0090.00618.31
8.3.120.0040.00418.89
8.3.110.0000.00820.94
8.3.100.0060.00324.06
8.3.90.0040.00426.77
8.3.80.0090.00016.88
8.3.70.0100.01016.88
8.3.60.0150.00618.55
8.3.50.0160.00523.77
8.3.40.0030.02021.90
8.3.30.0120.00318.92
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0080.00026.16
8.2.290.0130.00420.56
8.2.280.0130.00818.43
8.2.270.0030.00517.32
8.2.260.0110.00719.06
8.2.250.0000.01116.83
8.2.240.0100.00017.06
8.2.230.0070.00322.58
8.2.220.0060.00337.54
8.2.210.0050.00326.77
8.2.200.0080.00016.75
8.2.190.0140.00717.00
8.2.180.0140.00025.92
8.2.170.0040.01519.21
8.2.160.0100.00322.96
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00221.05
8.2.110.0060.00319.27
8.2.100.0040.00817.91
8.2.90.0040.00417.97
8.2.80.0000.00818.03
8.2.70.0030.00518.05
8.2.60.0000.00718.16
8.2.50.0040.00418.10
8.2.40.0050.00319.16
8.2.30.0050.00319.36
8.2.20.0000.00718.07
8.2.10.0040.00419.34
8.2.00.0040.00419.34
8.1.330.0090.01021.98
8.1.320.0140.00516.65
8.1.310.0040.00416.80
8.1.300.0080.00017.76
8.1.290.0030.00618.88
8.1.280.0070.00725.92
8.1.270.0130.00623.77
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0060.00322.42
8.1.230.0120.00022.68
8.1.220.0030.00517.78
8.1.210.0080.00018.87
8.1.200.0000.00917.48
8.1.190.0040.00417.48
8.1.180.0040.00418.10
8.1.170.0040.00418.71
8.1.160.0000.00719.04
8.1.150.0040.00418.98
8.1.140.0040.00420.64
8.1.130.0030.00320.16
8.1.120.0040.00417.63
8.1.110.0040.00417.57
8.1.100.0050.00217.64
8.1.90.0040.00417.51
8.1.80.0040.00417.60
8.1.70.0000.00717.59
8.1.60.0030.00617.71
8.1.50.0000.00817.58
8.1.40.0040.00417.66
8.1.30.0040.00417.73
8.1.20.0040.00417.69
8.1.10.0000.00917.78
8.1.00.0050.00317.55
8.0.300.0000.00920.07
8.0.290.0030.00616.88
8.0.280.0000.00718.50
8.0.270.0050.00317.08
8.0.260.0000.00618.56
8.0.250.0040.00417.16
8.0.240.0030.00317.19
8.0.230.0030.00317.14
8.0.220.0080.00017.15
8.0.210.0040.00417.11
8.0.200.0000.00717.19
8.0.190.0070.00017.15
8.0.180.0050.00317.18
8.0.170.0040.00417.05
8.0.160.0070.00017.07
8.0.150.0050.00317.00
8.0.140.0060.00617.00
8.0.130.0000.00513.55
8.0.120.0040.00417.05
8.0.110.0040.00417.10
8.0.100.0040.00417.08
8.0.90.0070.00016.99
8.0.80.0030.01217.04
8.0.70.0030.00517.11
8.0.60.0000.00817.16
8.0.50.0070.00017.14
8.0.30.0000.01617.54
8.0.20.0050.01517.37
8.0.10.0050.00217.06
8.0.00.0130.00517.19
7.4.330.0020.00215.55
7.4.320.0050.00216.65
7.4.300.0050.00316.71
7.4.290.0040.00416.76
7.4.280.0060.00316.86
7.4.270.0040.00416.82
7.4.260.0030.00313.49
7.4.250.0040.00416.71
7.4.240.0070.00016.64
7.4.230.0070.00016.70
7.4.220.0020.00516.73
7.4.210.0080.00716.78
7.4.200.0070.00016.62
7.4.130.0090.01216.73
7.4.120.0260.00516.73
7.4.110.0270.00416.84
7.4.100.0120.00616.71
7.4.90.0070.01716.79
7.4.80.0150.00316.86
7.4.70.0070.01716.76
7.4.60.0060.01316.77
7.4.50.0110.00716.71
7.4.40.0060.01216.55
7.4.30.0180.00016.69
7.4.20.0100.00716.80
7.4.10.0030.01316.56
7.4.00.0080.01116.52
7.3.330.0000.00716.43
7.3.320.0000.00613.52
7.3.310.0000.00716.55
7.3.300.0030.00316.48
7.3.290.0090.00316.46
7.3.260.0100.01316.52
7.3.240.0310.00216.87
7.3.230.0210.01216.75
7.3.220.0090.01316.81
7.3.210.0030.01316.66
7.3.200.0150.00316.64
7.3.190.0150.00316.76
7.3.180.0030.01416.64
7.3.170.0170.00316.27
7.3.160.0060.01216.53
7.3.150.0140.00316.48
7.3.140.0140.00316.57
7.3.130.0130.00316.54
7.3.120.0090.00916.61
7.3.110.0100.00616.58
7.3.100.0070.01016.74
7.3.90.0110.00516.51
7.3.80.0120.00416.48
7.3.70.0140.00416.50
7.3.60.0040.01216.39
7.3.50.0120.00616.70
7.3.40.0090.01216.63
7.3.30.0100.00716.58
7.3.20.0090.00916.60
7.3.10.0070.01116.48
7.3.00.0160.00316.57
7.2.340.0280.00616.83
7.2.330.0110.00816.65
7.2.320.0150.00416.95
7.2.310.0190.00016.71
7.2.300.0120.00716.83
7.2.290.0110.00816.82
7.2.280.0030.01516.82
7.2.270.0060.01116.86
7.2.260.0090.00916.78
7.2.250.0090.00916.92
7.2.240.0030.01416.95
7.2.230.0110.00716.90
7.2.220.0090.00916.82
7.2.210.0090.00916.70
7.2.200.0100.00816.89
7.2.190.0120.00616.75
7.2.180.0070.01316.85
7.2.170.0090.01116.79
7.2.160.0140.00516.76
7.2.150.0060.01616.74
7.2.140.0150.00416.80
7.2.130.0110.00716.84
7.2.120.0130.00716.89
7.2.110.0100.00716.83
7.2.100.0130.00716.88
7.2.90.0030.01416.84
7.2.80.0120.00616.82
7.2.70.0040.01416.78
7.2.60.0070.01316.68
7.2.50.0160.00516.79
7.2.40.0080.01116.91
7.2.30.0090.00916.89
7.2.20.0160.00316.90
7.2.10.0600.00316.90
7.2.00.0080.01116.77

preferences:
32.45 ms | 403 KiB | 5 Q