3v4l.org

run code in 300+ PHP versions simultaneously
<?php function embolden($needle, $haystack) { $needle = str_split($needle); foreach ($needle as &$l) { $l = preg_quote($l); } unset($l); $needle = implode('[^0-9]*', $needle); return preg_replace('(' . $needle . ')', '<b>$0</b>', $haystack); } echo embolden('1234', '(123) 456-7890');

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)
8.3.60.0090.01318.56
8.3.50.0120.00818.31
8.3.40.0040.01118.96
8.3.30.0070.01018.84
8.3.20.0040.00420.37
8.3.10.0050.00320.72
8.3.00.0030.00520.82
8.2.180.0040.01216.63
8.2.170.0150.00022.96
8.2.160.0070.00721.02
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0070.00019.45
8.2.120.0040.00426.35
8.2.110.0040.00720.52
8.2.100.0090.00318.03
8.2.90.0000.00918.03
8.2.80.0040.00721.09
8.2.70.0040.00417.63
8.2.60.0030.00617.61
8.2.50.0030.00517.63
8.2.40.0030.00719.48
8.2.30.0080.00019.15
8.2.20.0040.00418.04
8.2.10.0000.00818.16
8.2.00.0040.00418.13
8.1.280.0060.00925.92
8.1.270.0080.00823.99
8.1.260.0060.00326.35
8.1.250.0050.00228.09
8.1.240.0060.00320.60
8.1.230.0110.00022.50
8.1.220.0030.00617.74
8.1.210.0060.00318.83
8.1.200.0080.00017.60
8.1.190.0000.00917.25
8.1.180.0030.00618.10
8.1.170.0080.00019.09
8.1.160.0040.00418.96
8.1.150.0040.00418.82
8.1.140.0040.00419.60
8.1.130.0030.00320.91
8.1.120.0050.00217.62
8.1.110.0040.00417.62
8.1.100.0060.00317.51
8.1.90.0000.00817.57
8.1.80.0050.00317.56
8.1.70.0030.00317.61
8.1.60.0030.00617.75
8.1.50.0040.00417.57
8.1.40.0050.00517.54
8.1.30.0000.00817.82
8.1.20.0040.00417.80
8.1.10.0030.00617.71
8.1.00.0040.00417.55
8.0.300.0040.00419.89
8.0.290.0100.00316.58
8.0.280.0070.00018.45
8.0.270.0000.00717.21
8.0.260.0030.00318.86
8.0.250.0030.00316.99
8.0.240.0040.00417.01
8.0.230.0050.00317.12
8.0.220.0030.00317.03
8.0.210.0070.00017.07
8.0.200.0030.00317.07
8.0.190.0080.00017.11
8.0.180.0000.00717.11
8.0.170.0000.00717.02
8.0.160.0040.00417.05
8.0.150.0080.00016.97
8.0.140.0040.00417.08
8.0.130.0000.00513.42
8.0.120.0050.00317.00
8.0.110.0040.00416.91
8.0.100.0040.00416.88
8.0.90.0000.00716.83
8.0.80.0040.01217.02
8.0.70.0040.00416.98
8.0.60.0040.00417.05
8.0.50.0040.00417.03
8.0.30.0170.00117.33
8.0.20.0120.00717.42
8.0.10.0000.00817.13
8.0.00.0120.00616.68
7.4.330.0040.00015.55
7.4.320.0000.00716.82
7.4.300.0050.00216.63
7.4.290.0040.00716.72
7.4.280.0000.00716.75
7.4.270.0070.00016.79
7.4.260.0070.00016.83
7.4.250.0000.00716.67
7.4.240.0050.00316.74
7.4.230.0000.00816.52
7.4.220.0080.00816.63
7.4.210.0060.01416.71
7.4.200.0070.00016.91
7.4.160.0100.01216.74
7.4.150.0150.00317.40
7.4.140.0130.00617.86
7.4.130.0100.00716.60
7.4.120.0130.01016.67
7.4.110.0100.00716.59
7.4.100.0170.00016.77
7.4.90.0060.00916.68
7.4.80.0120.00619.39
7.4.70.0080.00816.68
7.4.60.0070.01016.69
7.4.50.0090.00416.69
7.4.40.0070.01016.70
7.4.30.0130.00316.64
7.4.00.0030.01314.99
7.3.330.0000.00513.30
7.3.320.0060.00013.30
7.3.310.0030.00516.47
7.3.300.0000.00716.49
7.3.290.0060.01116.41
7.3.280.0080.00816.44
7.3.270.0100.00717.40
7.3.260.0080.01016.65
7.3.250.0130.00616.66
7.3.240.0080.00916.56
7.3.230.0080.00816.55
7.3.210.0030.01416.71
7.3.200.0130.01016.82
7.3.190.0040.01416.45
7.3.180.0060.00916.72
7.3.170.0030.01516.70
7.3.160.0100.00716.50
7.3.120.0070.00715.09
7.3.110.0100.00714.69
7.3.100.0100.00615.00
7.3.90.0060.00315.23
7.3.80.0060.00615.12
7.3.70.0000.01315.06
7.3.60.0030.00715.06
7.3.50.0090.00614.93
7.3.40.0100.01015.04
7.3.30.0040.00715.14
7.3.20.0070.00716.82
7.3.10.0060.00416.69
7.3.00.0060.00616.55
7.2.330.0150.00416.90
7.2.320.0070.01016.99
7.2.310.0030.01416.85
7.2.300.0090.00916.87
7.2.290.0090.00616.86
7.2.240.0160.00315.40
7.2.230.0100.00315.33
7.2.220.0060.00615.37
7.2.210.0080.00315.27
7.2.200.0030.01015.13
7.2.190.0100.00715.29
7.2.180.0070.01115.18
7.2.170.0040.01415.05
7.2.160.0070.01015.08
7.2.150.0100.00317.12
7.2.140.0040.01017.29
7.2.130.0030.01217.15
7.2.120.0080.00717.20
7.2.110.0090.00517.14
7.2.100.0070.00717.02
7.2.90.0020.01117.11
7.2.80.0090.00917.04
7.2.70.0020.01417.09
7.2.60.0070.00617.11
7.2.50.0090.00717.11
7.2.40.0070.01017.22
7.2.30.0040.00917.21
7.2.20.0090.00517.25
7.2.10.0070.00517.11
7.2.00.0030.01017.24
7.1.330.0110.00615.80
7.1.320.0090.00616.09
7.1.310.0000.01015.80
7.1.300.0060.01015.74
7.1.290.0060.00916.09
7.1.280.0000.01416.14
7.1.270.0030.01015.99
7.1.260.0070.01115.91
7.1.250.0080.00515.68
7.1.200.0070.00415.68
7.1.80.4730.01016.35
7.1.70.4310.01115.58
7.1.60.4320.02233.56
7.1.50.3790.02033.05
7.1.40.3510.01332.79
7.1.30.4470.01233.00
7.1.20.4460.00932.67
7.1.10.3410.01214.77
7.1.00.3610.01315.22
7.0.200.4850.01215.20
7.0.190.4200.01214.79
7.0.180.3410.00314.46
7.0.170.4840.01614.79
7.0.160.4870.00614.58
7.0.150.3800.01814.50
7.0.140.3400.00914.77
7.0.130.3520.01714.96
7.0.120.3310.01014.83
7.0.110.2980.01214.88
7.0.100.3390.00914.64
7.0.90.3140.01514.78
7.0.80.2650.01314.67
7.0.70.3040.01014.82
7.0.60.3520.01014.45
7.0.50.3550.01014.88
7.0.40.4230.00714.82
7.0.30.3430.01914.95
7.0.20.3610.00614.63
7.0.10.3490.01214.86
7.0.00.3300.01214.90

preferences:
57.24 ms | 400 KiB | 5 Q