3v4l.org

run code in 300+ PHP versions simultaneously
<?php function highlightWords($content) { $arr=array("php", "and sql", "sql"); $arr = array_map(function($v){ return "/\b(" . preg_quote($v, "/") . ")\b/i"; }, $arr); print_r($arr); $content=preg_replace($arr, '<a href="#">$1</a>', $content, 1); return $content; } echo highlightWords("This text will highlight PHP and SQL and sql but not PHPRO or MySQL or sqlite");

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)
8.3.60.0030.01616.75
8.3.50.0110.00621.14
8.3.40.0180.00418.83
8.3.30.0150.00018.83
8.3.20.0000.00820.33
8.3.10.0050.00321.93
8.3.00.0030.00621.68
8.2.180.0070.01416.63
8.2.170.0040.01122.96
8.2.160.0140.00020.60
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00420.89
8.2.120.0040.00426.35
8.2.110.0080.00019.30
8.2.100.0000.01217.93
8.2.90.0050.00319.21
8.2.80.0000.00817.97
8.2.70.0060.00317.88
8.2.60.0030.00617.80
8.2.50.0030.00618.09
8.2.40.0040.00422.27
8.2.30.0000.00719.42
8.2.20.0000.00817.84
8.2.10.0080.00018.23
8.2.00.0040.00418.21
8.1.280.0070.01425.92
8.1.270.0090.00922.06
8.1.260.0000.00828.09
8.1.250.0040.00428.09
8.1.240.0030.00622.18
8.1.230.0120.00017.83
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0030.00517.38
8.1.180.0040.00418.10
8.1.170.0060.00318.75
8.1.160.0040.00420.66
8.1.150.0110.00018.93
8.1.140.0050.00319.54
8.1.130.0030.00317.80
8.1.120.0040.00417.68
8.1.110.0040.00417.65
8.1.100.0050.00317.53
8.1.90.0020.00517.50
8.1.80.0020.00517.66
8.1.70.0040.00417.59
8.1.60.0000.00917.81
8.1.50.0000.01017.64
8.1.40.0040.00417.70
8.1.30.0000.01017.68
8.1.20.0040.00417.80
8.1.10.0080.00017.58
8.1.00.0060.00317.48
8.0.300.0000.01018.77
8.0.290.0080.00016.73
8.0.280.0000.00718.34
8.0.270.0050.00217.39
8.0.260.0030.00317.29
8.0.250.0070.00017.04
8.0.240.0060.00017.16
8.0.230.0000.00717.07
8.0.220.0000.00817.12
8.0.210.0030.00317.08
8.0.200.0060.00016.95
8.0.190.0040.00417.13
8.0.180.0060.00317.12
8.0.170.0040.00417.00
8.0.160.0030.00317.00
8.0.150.0000.00716.93
8.0.140.0000.00717.00
8.0.130.0000.00613.50
8.0.120.0040.00416.91
8.0.110.0020.00516.98
8.0.100.0030.00516.91
8.0.90.0000.00717.07
8.0.80.0100.00616.94
8.0.70.0040.00416.91
8.0.60.0000.00716.95
8.0.50.0000.00717.15
8.0.30.0070.01217.37
8.0.20.0090.01217.40
8.0.10.0000.00716.98
8.0.00.0100.01216.94
7.4.330.0050.00016.80
7.4.320.0070.00016.84
7.4.300.0000.00716.84
7.4.290.0000.00816.74
7.4.280.0030.00616.74
7.4.270.0030.00316.88
7.4.260.0040.00416.81
7.4.250.0000.00816.79
7.4.240.0000.00816.70
7.4.230.0000.00716.65
7.4.220.0080.01116.77
7.4.210.0000.01416.78
7.4.200.0050.00316.74
7.4.160.0100.00616.64
7.4.150.0090.01117.40
7.4.140.0150.01017.86
7.4.130.0060.01116.73
7.4.120.0090.00916.81
7.4.110.0100.00716.70
7.4.100.0100.00716.84
7.4.90.0110.00616.59
7.4.80.0070.01019.39
7.4.70.0100.00617.06
7.4.60.0090.01216.63
7.4.50.0090.00916.74
7.4.40.0000.01916.63
7.4.30.0090.00916.75
7.4.00.0090.00315.21
7.3.330.0070.00013.39
7.3.320.0030.00313.40
7.3.310.0030.00316.46
7.3.300.0030.00316.37
7.3.290.0070.01016.42
7.3.280.0130.00516.41
7.3.270.0140.00317.40
7.3.260.0070.01016.41
7.3.250.0100.00816.70
7.3.240.0080.01116.76
7.3.230.0060.01016.72
7.3.210.0040.01116.69
7.3.200.0070.00919.39
7.3.190.0060.01616.52
7.3.180.0060.01016.75
7.3.170.0090.00916.81
7.3.160.0080.00816.71
7.3.120.0030.01415.21
7.3.110.0040.01415.02
7.3.100.0040.01115.02
7.3.90.0060.00614.93
7.3.80.0040.00714.96
7.3.70.0040.00714.89
7.3.60.0150.00015.03
7.3.50.0090.00614.58
7.3.40.0040.00714.94
7.3.30.0030.01015.05
7.3.20.0060.00616.89
7.3.10.0030.01416.78
7.3.00.0030.00516.69
7.2.330.0120.00616.90
7.2.320.0100.01416.75
7.2.310.0040.01516.65
7.2.300.0060.01016.79
7.2.290.0170.00016.85
7.2.240.0110.00015.36
7.2.230.0040.01215.34
7.2.220.0120.00615.18
7.2.210.0030.01415.00
7.2.200.0070.01115.25
7.2.190.0060.00915.00
7.2.180.0090.00615.18
7.2.170.0030.01315.09
7.2.160.0060.01015.29
7.2.150.0070.00717.27
7.2.140.0030.01317.25
7.2.130.0120.00017.14
7.2.120.0040.01216.85
7.2.110.0030.00716.95
7.2.100.0100.00717.21
7.2.90.0000.01316.98
7.2.80.0000.01316.95
7.2.70.0040.00717.36
7.2.60.0030.00717.23
7.2.50.0030.01317.24
7.2.40.0030.01516.95
7.2.30.0120.00417.16
7.2.20.0040.00717.02
7.2.10.0120.00317.18
7.2.00.0080.00317.05
7.1.330.0000.01415.98
7.1.320.0130.00316.21
7.1.310.0060.00916.09
7.1.300.0060.00616.11
7.1.290.0070.00716.00
7.1.280.0090.00315.83
7.1.270.0110.00315.85
7.1.260.0060.00615.89
7.1.250.0030.01015.87
7.1.100.0000.01118.07
7.1.70.0030.00617.20
7.1.60.0030.02019.40
7.1.50.0040.00817.21
7.1.00.0000.08022.49
7.0.200.0080.00414.78
7.0.60.0300.06321.80
7.0.50.0130.07717.88
7.0.40.0170.03020.13
7.0.30.0170.04320.25
7.0.20.0300.07720.35
7.0.10.0130.04320.21
7.0.00.0100.05020.18
5.6.280.0070.06021.10
5.6.210.0070.04020.57
5.6.200.0070.04718.25
5.6.190.0100.07320.54
5.6.180.0330.04320.58
5.6.170.0270.04020.44
5.6.160.0030.04020.70
5.6.150.0000.06018.15
5.6.140.0070.08018.11
5.6.130.0070.05718.18
5.6.120.0030.05320.97
5.6.110.0070.06720.98
5.6.100.0170.08021.03
5.6.90.0030.04020.96
5.6.80.0100.07720.45
5.5.350.0430.06020.53
5.5.340.0100.04017.96
5.5.330.0030.05320.42
5.5.320.0300.07320.51
5.5.310.0370.07020.26
5.5.300.0030.06717.92
5.5.290.0000.06017.98
5.5.280.0070.07320.88
5.5.270.0200.06720.98
5.5.260.0000.07320.68
5.5.250.0030.08020.67
5.5.240.0230.08020.20

preferences:
31.14 ms | 401 KiB | 5 Q