3v4l.org

run code in 300+ PHP versions simultaneously
<?php $sometext = "Some text **that is bold!** and some other text****"; $string = explode('**', $sometext); $newstr = ''; $size = count($string); for ($i = 0; $i < $size; ++$i) { if (($i % 2 == 0 || $i == 0 )&& $i != $size-1 ) $newstr .= $string[$i]."<b>"; else if($i % 2 != 0 && $i != $size && $i != $size-1 ) $newstr .= $string[$i]."</b>" ; else if($i == $size-1) $newstr .= $string[$i]; } $s = preg_replace( '/\*\*(.+?)\*\*/isU', '<b>$1</b>', $sometext); echo $s;

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)
8.3.70.0060.01018.68
8.3.60.0100.01018.65
8.3.50.0090.00721.21
8.3.40.0090.00618.96
8.3.30.0040.01119.12
8.3.20.0040.00420.34
8.3.10.0000.00821.92
8.3.00.0070.00020.69
8.2.190.0160.00616.63
8.2.180.0070.00716.75
8.2.170.0040.01122.96
8.2.160.0110.00319.29
8.2.150.0000.00824.18
8.2.140.0100.01024.66
8.2.130.0040.00426.16
8.2.120.0080.00021.25
8.2.110.0000.00822.42
8.2.100.0080.00419.38
8.2.90.0040.00419.23
8.2.80.0080.00017.97
8.2.70.0050.00517.75
8.2.60.0040.00417.93
8.2.50.0090.00018.07
8.2.40.0000.00918.28
8.2.30.0030.00518.24
8.2.20.0040.00417.74
8.2.10.0040.00417.89
8.2.00.0050.00517.75
8.1.280.0110.00425.92
8.1.270.0080.00020.57
8.1.260.0000.00926.35
8.1.250.0040.00428.09
8.1.240.0090.00023.65
8.1.230.0040.00719.07
8.1.220.0030.00517.74
8.1.210.0000.00918.77
8.1.200.0060.00317.25
8.1.190.0080.00017.53
8.1.180.0000.00818.69
8.1.170.0000.00818.73
8.1.160.0060.00322.24
8.1.150.0000.00918.80
8.1.140.0020.00517.51
8.1.130.0030.00317.76
8.1.120.0080.00017.63
8.1.110.0030.00517.61
8.1.100.0000.00717.55
8.1.90.0040.00417.52
8.1.80.0040.00417.62
8.1.70.0050.00317.57
8.1.60.0090.00017.72
8.1.50.0000.00717.57
8.1.40.0040.00417.68
8.1.30.0040.00417.78
8.1.20.0040.00417.85
8.1.10.0000.00817.71
8.1.00.0000.00817.55
8.0.300.0080.00018.77
8.0.290.0000.00717.04
8.0.280.0000.00718.47
8.0.270.0020.00517.28
8.0.260.0030.00316.88
8.0.250.0030.00317.13
8.0.240.0040.00416.99
8.0.230.0000.00817.05
8.0.220.0020.00516.97
8.0.210.0070.00016.93
8.0.200.0060.00016.99
8.0.190.0000.00717.02
8.0.180.0090.00017.07
8.0.170.0030.00616.97
8.0.160.0090.00016.92
8.0.150.0000.00717.04
8.0.140.0000.00816.93
8.0.130.0030.00313.50
8.0.120.0030.00516.90
8.0.110.0080.00016.89
8.0.100.0040.00416.86
8.0.90.0000.00816.90
8.0.80.0030.01516.96
8.0.70.0070.00017.07
8.0.60.0050.00316.91
8.0.50.0000.00717.07
8.0.30.0090.00917.23
8.0.20.0090.01017.40
8.0.10.0050.00317.21
8.0.00.0090.01116.75
7.4.330.0030.00315.00
7.4.320.0000.00616.83
7.4.300.0030.00316.81
7.4.290.0030.00316.82
7.4.280.0030.00316.70
7.4.270.0030.00316.57
7.4.260.0070.00016.69
7.4.250.0060.00316.65
7.4.240.0060.00116.72
7.4.230.0040.00416.89
7.4.220.0030.01516.75
7.4.210.0060.00916.77
7.4.200.0030.00616.83
7.4.190.0000.00716.88
7.4.160.0080.00816.86
7.4.150.0150.00317.40
7.4.140.0090.00917.86
7.4.130.0130.00816.71
7.4.120.0120.00816.74
7.4.110.0140.00416.71
7.4.100.0080.00816.70
7.4.90.0090.00916.48
7.4.80.0090.01219.39
7.4.70.0090.00616.57
7.4.60.0090.00816.72
7.4.50.0000.00916.79
7.4.40.0040.00822.77
7.4.30.0100.00716.61
7.4.00.0120.00615.05
7.3.330.0000.00513.21
7.3.320.0000.00513.30
7.3.310.0000.00716.49
7.3.300.0000.00716.43
7.3.290.0070.01316.58
7.3.280.0030.01316.42
7.3.270.0120.00917.40
7.3.260.0090.00916.58
7.3.250.0080.01116.71
7.3.240.0120.00616.58
7.3.230.0050.01116.75
7.3.210.0090.00916.50
7.3.200.0120.00316.67
7.3.190.0040.01816.46
7.3.180.0080.00816.42
7.3.170.0090.00616.73
7.3.160.0150.00016.46
7.3.120.0040.01114.93
7.3.10.0060.01516.57
7.3.00.0070.01016.87
7.2.330.0070.01116.84
7.2.320.0090.00916.97
7.2.310.0120.00916.81
7.2.300.0150.00316.93
7.2.290.0040.01216.74
7.2.130.0030.01317.03
7.2.120.0050.00616.77
7.2.110.0030.01217.12
7.2.100.0060.00616.91
7.2.90.0080.00617.13
7.2.80.0030.00916.97
7.2.70.0070.00717.02
7.2.60.0130.01016.81
7.2.50.0180.00316.93
7.2.40.0110.00716.93
7.2.30.0200.00316.71
7.2.20.0100.00616.98
7.2.10.0000.01616.93
7.2.00.0080.00417.02
7.1.250.0090.00415.92
7.1.70.0140.00517.13
7.1.60.0070.00717.21
7.1.50.0150.01117.25
7.1.00.0030.07322.37
7.0.200.0050.00516.91
7.0.140.0030.07322.00
7.0.60.0130.07719.90
7.0.50.0070.05717.82
7.0.40.0070.04020.00
7.0.30.0300.07720.15
7.0.20.0300.07320.11
7.0.10.0170.07020.02
7.0.00.0070.08320.05
5.6.280.0130.06020.77
5.6.210.0070.08320.72
5.6.200.0100.07718.13
5.6.190.0100.03720.35
5.6.180.0370.03320.46
5.6.170.0430.06720.71
5.6.160.0170.07720.38
5.6.150.0130.04718.09
5.6.140.0030.08318.11
5.6.130.0070.08018.18
5.6.120.0030.04721.00
5.6.110.0000.09320.98
5.6.100.0070.08321.03
5.6.90.0070.06021.09
5.6.80.0030.07720.38
5.6.70.0270.06720.40
5.5.350.0230.08320.41
5.5.340.0000.04317.88
5.5.330.0100.07720.30
5.5.320.0200.07320.57
5.5.310.0230.08720.30
5.5.300.0130.07317.98
5.5.290.0130.05018.00
5.5.280.0030.08320.87
5.5.270.0070.04020.67
5.5.260.0070.06320.86
5.5.250.0170.07320.57
5.5.240.0100.07320.19
5.4.450.0330.05019.27
5.4.440.0800.05719.59
5.4.430.0630.07019.47
5.4.420.0200.05719.41
5.4.410.0200.07318.81
5.4.400.0600.07718.79
5.4.390.0400.07318.59
5.4.380.0270.04718.62
5.4.370.0330.05718.56
5.4.360.0100.05318.46
5.4.350.0200.05511.98
5.4.340.0130.05011.97
5.4.320.0070.03512.45
5.4.310.0060.04812.45
5.4.300.0120.04512.46
5.4.290.0040.03912.45
5.4.280.0080.03512.35
5.4.270.0050.03912.35
5.4.260.0050.04512.35
5.4.250.0130.04718.82
5.4.240.0130.05018.88
5.4.230.0100.05018.76
5.4.220.0070.05718.74
5.4.210.0130.05018.99
5.4.200.0170.05318.84
5.4.190.0030.06718.84
5.4.180.0200.05719.00
5.4.170.0070.05718.66
5.4.160.0100.07718.99
5.4.150.0070.05318.80
5.4.140.0000.06016.20
5.4.130.0070.06716.50
5.4.120.0170.04316.25
5.4.110.0030.05316.41
5.4.100.0030.05716.22
5.4.90.0070.05016.34
5.4.80.0030.05316.23
5.4.70.0030.07716.44
5.4.60.0030.05316.31
5.4.50.0170.04716.41
5.4.40.0130.06716.49
5.4.30.0070.05316.34
5.4.20.0070.05016.19
5.4.10.0070.05016.23
5.4.00.0100.04715.66
5.3.290.0080.03612.80
5.3.280.0030.05314.59
5.3.270.0070.06714.30
5.3.260.0130.04714.44
5.3.250.0130.07314.52
5.3.240.0170.04714.75
5.3.230.0170.04014.64
5.3.220.0030.05314.66
5.3.210.0030.06014.57
5.3.200.0100.04714.47
5.3.190.0130.05714.54
5.3.180.0100.06714.40
5.3.170.0100.06014.58
5.3.160.0070.05714.41
5.3.150.0100.06714.61
5.3.140.0130.05014.44
5.3.130.0030.05714.56
5.3.120.0030.05314.55
5.3.110.0130.04714.43
5.3.100.0070.05013.89
5.3.90.0070.04714.11
5.3.80.0100.04314.02
5.3.70.0170.03713.99
5.3.60.0070.06313.78
5.3.50.0100.04313.67
5.3.40.0070.04713.65
5.3.30.0030.05013.61
5.3.20.0100.04313.73
5.3.10.0100.07013.69
5.3.00.0170.04313.50
5.2.170.0000.04311.14
5.2.160.0030.04011.16
5.2.150.0030.04010.98
5.2.140.0070.03711.15
5.2.130.0130.03711.25
5.2.120.0070.03711.02
5.2.110.0030.04011.12
5.2.100.0030.04011.11
5.2.90.0070.03711.12
5.2.80.0070.05710.98
5.2.70.0130.03311.01
5.2.60.0100.03711.16
5.2.50.0070.03710.93
5.2.40.0030.04010.76
5.2.30.0030.04010.83
5.2.20.0000.04310.87
5.2.10.0070.05310.74
5.2.00.0000.04310.78
5.1.60.0030.03310.05
5.1.50.0000.0379.93
5.1.40.0030.03710.13
5.1.30.0000.04010.17
5.1.20.0100.04710.33
5.1.10.0100.0309.99
5.1.00.0000.03710.26
5.0.50.0000.0378.55
5.0.40.0030.0278.38
5.0.30.0000.0478.38
5.0.20.0030.0278.12
5.0.10.0100.0208.01
5.0.00.0100.0338.24
4.4.90.0030.0207.00
4.4.80.0000.0307.00
4.4.70.0000.0307.00
4.4.60.0030.0207.00
4.4.50.0000.0237.00
4.4.40.0000.0377.00
4.4.30.0000.0237.00
4.4.20.0070.0237.00
4.4.10.0000.0237.00
4.4.00.0000.0337.00
4.3.110.0030.0207.00
4.3.100.0070.0177.00
4.3.90.0000.0237.00
4.3.80.0030.0307.00
4.3.70.0000.0207.00
4.3.60.0030.0207.00
4.3.50.0070.0177.00
4.3.40.0000.0337.00
4.3.30.0030.0207.00
4.3.20.0030.0207.00
4.3.10.0030.0207.00
4.3.00.0130.0206.76

preferences:
54.36 ms | 401 KiB | 5 Q