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)
8.3.60.0070.01118.55
8.3.50.0110.00721.33
8.3.40.0110.00419.08
8.3.30.0120.00319.18
8.3.20.0040.00420.34
8.3.10.0000.00821.96
8.3.00.0080.00022.39
8.2.180.0090.00616.75
8.2.170.0070.00722.96
8.2.160.0110.00319.27
8.2.150.0090.00624.18
8.2.140.0030.00524.66
8.2.130.0060.00326.16
8.2.120.0040.00419.79
8.2.110.0060.00322.23
8.2.100.0060.00619.47
8.2.90.0040.00419.36
8.2.80.0080.00018.16
8.2.70.0030.01017.50
8.2.60.0080.00017.93
8.2.50.0000.00818.07
8.2.40.0030.00618.34
8.2.30.0040.00418.14
8.2.20.0030.00617.79
8.2.10.0000.00717.88
8.2.00.0030.00617.77
8.1.280.0030.01025.92
8.1.270.0100.01020.47
8.1.260.0040.00426.35
8.1.250.0110.00328.09
8.1.240.0090.00023.65
8.1.230.0040.00818.97
8.1.220.0000.00817.79
8.1.210.0030.00518.77
8.1.200.0030.00617.48
8.1.190.0000.00817.43
8.1.180.0060.00318.75
8.1.170.0050.00318.62
8.1.160.0070.00022.04
8.1.150.0100.00018.83
8.1.140.0040.00417.52
8.1.130.0000.00717.79
8.1.120.0000.00717.46
8.1.110.0040.00417.59
8.1.100.0000.00717.58
8.1.90.0000.00717.61
8.1.80.0030.00417.52
8.1.70.0000.00717.50
8.1.60.0090.00017.75
8.1.50.0050.00217.63
8.1.40.0080.00017.56
8.1.30.0050.00317.79
8.1.20.0060.00317.72
8.1.10.0040.00417.60
8.1.00.0040.00417.59
8.0.300.0000.00718.77
8.0.290.0070.00017.16
8.0.280.0070.00018.34
8.0.270.0030.00317.26
8.0.260.0000.00716.97
8.0.250.0000.00717.00
8.0.240.0040.00417.02
8.0.230.0050.00317.00
8.0.220.0000.00717.03
8.0.210.0070.00017.02
8.0.200.0030.00316.98
8.0.190.0040.00416.97
8.0.180.0070.00316.94
8.0.170.0000.00716.89
8.0.160.0080.00016.98
8.0.150.0050.00216.97
8.0.140.0040.00417.00
8.0.130.0030.00313.48
8.0.120.0030.00616.86
8.0.110.0050.00216.94
8.0.100.0020.00516.92
8.0.90.0000.00717.10
8.0.80.0100.00617.02
8.0.70.0030.00316.89
8.0.60.0040.00417.10
8.0.50.0000.00817.08
8.0.30.0070.01217.18
8.0.20.0180.00517.40
8.0.10.0080.00017.16
8.0.00.0090.01216.95
7.4.330.0000.00515.00
7.4.320.0040.00416.82
7.4.300.0000.00616.71
7.4.290.0000.00716.81
7.4.280.0000.00816.75
7.4.270.0030.00316.82
7.4.260.0030.00316.81
7.4.250.0040.00416.67
7.4.240.0060.00116.73
7.4.230.0070.00016.59
7.4.220.0140.00416.77
7.4.210.0030.01116.69
7.4.200.0000.00916.73
7.4.190.0070.00016.89
7.4.160.0070.01016.46
7.4.150.0100.00717.40
7.4.140.0060.01317.86
7.4.130.0090.01216.69
7.4.120.0080.00916.66
7.4.110.0030.01316.79
7.4.100.0060.01216.74
7.4.90.0070.01016.69
7.4.80.0030.01319.39
7.4.70.0070.01016.64
7.4.60.0140.00316.57
7.4.50.0030.00516.70
7.4.40.0030.01022.77
7.4.30.0070.01016.73
7.4.00.0070.00715.04
7.3.330.0050.00013.25
7.3.320.0050.00013.24
7.3.310.0030.00516.43
7.3.300.0030.00316.40
7.3.290.0170.00016.39
7.3.280.0060.01116.42
7.3.270.0060.01217.40
7.3.260.0100.01316.47
7.3.250.0070.01216.50
7.3.240.0060.01616.58
7.3.230.0060.01416.74
7.3.210.0090.01316.44
7.3.200.0080.00819.39
7.3.190.0100.00716.58
7.3.180.0140.00316.61
7.3.170.0130.00416.83
7.3.160.0130.00316.48
7.3.120.0060.00914.81
7.3.110.0030.01014.86
7.3.100.0060.00615.03
7.3.90.0090.00614.80
7.3.80.0100.00014.72
7.3.70.0080.00815.05
7.3.60.0030.01015.17
7.3.50.0040.01115.16
7.3.40.0070.00715.10
7.3.30.0040.00715.15
7.3.20.0040.00816.99
7.3.10.0090.00616.73
7.3.00.0030.01016.97
7.2.330.0090.00916.83
7.2.320.0100.00716.66
7.2.310.0060.01216.93
7.2.300.0050.01316.86
7.2.290.0130.00317.00
7.2.250.0040.01115.20
7.2.240.0060.00615.29
7.2.230.0030.01315.35
7.2.220.0030.00615.15
7.2.210.0060.00615.06
7.2.200.0100.00315.36
7.2.190.0030.01015.29
7.2.180.0090.00015.15
7.2.170.0070.00715.12
7.2.160.0130.00015.37
7.2.150.0100.00717.13
7.2.140.0000.01717.29
7.2.130.0000.01417.12
7.2.120.0070.00717.06
7.2.110.0140.00317.12
7.2.100.0090.00316.98
7.2.90.0090.01217.08
7.2.80.0060.01016.89
7.2.70.0070.01316.98
7.2.60.0060.00617.22
7.2.50.0060.00917.12
7.2.40.0030.00717.23
7.2.30.0030.00717.21
7.2.20.0060.00617.01
7.2.10.0070.00717.23
7.2.00.0020.01318.52
7.1.330.0100.00016.16
7.1.320.0110.00015.80
7.1.310.0030.01015.95
7.1.300.0000.01015.95
7.1.290.0000.00816.02
7.1.280.0060.00615.75
7.1.270.0030.01015.86
7.1.260.0070.00716.00
7.1.250.0100.00716.00
7.1.100.0000.01418.12
7.1.70.0060.01117.14
7.1.60.0060.01919.82
7.1.50.0070.01316.98
7.1.00.0000.08022.32
7.0.200.0030.00616.89
7.0.140.0070.06722.01
7.0.100.0430.07719.93
7.0.90.0430.07019.91
7.0.80.0330.07719.89
7.0.70.0230.07319.94
7.0.60.0270.06719.98
7.0.50.0400.08020.24
7.0.40.0070.07720.15
7.0.30.0100.08020.10
7.0.20.0070.07020.14
7.0.10.0100.07020.15
7.0.00.0070.08320.04
5.6.280.0000.07721.05
5.6.250.0100.05020.68
5.6.240.0130.07320.66
5.6.230.0030.09320.63
5.6.220.0130.07020.70
5.6.210.0130.06020.65
5.6.200.0100.07721.05
5.6.190.0130.03720.98
5.6.180.0170.07721.13
5.6.170.0000.09021.01
5.6.160.0100.06720.95
5.6.150.0130.07720.93
5.6.140.0130.06721.03
5.6.130.0200.06721.10
5.6.120.0130.08021.07
5.6.110.0070.08321.16
5.6.100.0130.06720.91
5.6.90.0000.05721.06
5.6.80.0200.06020.34
5.6.70.0070.06020.47
5.6.60.0030.07720.32
5.6.50.0100.08020.38
5.6.40.0070.06720.38
5.6.30.0100.08020.32
5.6.20.0070.04720.39
5.6.10.0030.05720.35
5.6.00.0130.07320.36
5.5.380.0170.07320.38
5.5.370.0100.05320.35
5.5.360.0030.04020.35
5.5.350.0070.08020.34
5.5.340.0030.07020.82
5.5.330.0100.08020.79
5.5.320.0100.04320.93
5.5.310.0100.05320.64
5.5.300.0030.05320.93
5.5.290.0230.04020.82
5.5.280.0030.05320.94
5.5.270.0070.07720.84
5.5.260.0000.09020.79
5.5.250.0070.08020.64
5.5.240.0070.07720.30
5.5.230.0100.07720.02
5.5.220.0130.07720.10
5.5.210.0070.04320.24
5.5.200.0030.05720.22
5.5.190.0000.06320.26
5.5.180.0000.07720.11
5.5.160.0070.06720.13
5.5.150.0070.03720.10
5.5.140.0030.04719.98
5.5.130.0100.07020.09
5.5.120.0130.04320.14
5.5.110.0100.04020.26
5.5.100.0070.04020.15
5.5.90.0030.04020.12
5.5.80.0070.03720.07
5.5.70.0070.03720.06
5.5.60.0030.04020.08
5.5.50.0200.04320.08
5.5.40.0030.04320.15
5.5.30.0100.03320.14
5.5.20.0070.04020.09
5.5.10.0030.04720.10
5.5.00.0000.04320.07
5.4.450.0070.07319.29
5.4.440.0030.04319.35
5.4.430.0070.07319.10
5.4.420.0070.08019.34
5.4.410.0000.06319.22
5.4.400.0170.07318.79
5.4.390.0100.07319.03
5.4.380.0100.07318.96
5.4.370.0100.07018.98
5.4.360.0070.06019.03
5.4.350.0030.06018.79
5.4.340.0030.07719.06
5.4.320.0100.07719.05
5.4.310.0030.04018.81
5.4.300.0070.06019.11
5.4.290.0070.04318.94
5.4.280.0030.06718.94
5.4.270.0070.04019.12
5.4.260.0130.05018.90
5.4.250.0030.04718.94
5.4.240.0030.03718.93
5.4.230.0000.04018.82
5.4.220.0030.04019.22
5.4.210.0000.04319.09
5.4.200.0070.03319.02
5.4.190.0000.04319.06
5.4.180.0030.03719.08
5.4.170.0030.03719.05
5.4.160.0030.03718.92
5.4.150.0030.05019.12
5.4.140.0030.07016.05
5.4.130.0070.05016.27
5.4.120.0070.03316.36
5.4.110.0070.03316.26
5.4.100.0070.03316.33
5.4.90.0070.03316.40
5.4.80.0100.03016.25
5.4.70.0000.03716.31
5.4.60.0070.03316.28
5.4.50.0070.03016.29
5.4.40.0030.04716.47
5.4.30.0070.03316.32
5.4.20.0030.03716.19
5.4.10.0070.03716.18
5.4.00.0030.03315.79
5.3.290.0100.07714.61
5.3.280.0070.03714.55
5.3.270.0000.04314.54
5.3.260.0130.02714.60
5.3.250.0070.07314.61
5.3.240.0070.04314.56
5.3.230.0000.06014.46
5.3.220.0000.04014.41
5.3.210.0000.04314.42
5.3.200.0130.02314.55
5.3.190.0000.04014.52
5.3.180.0000.04014.51
5.3.170.0100.03014.41
5.3.160.0030.03714.57
5.3.150.0000.03714.41
5.3.140.0000.03714.54
5.3.130.0070.06014.51
5.3.120.0070.03314.52
5.3.110.0030.03714.40
5.3.100.0130.02713.98
5.3.90.0070.03313.97
5.3.80.0000.04013.87
5.3.70.0030.03713.97
5.3.60.0030.03713.95
5.3.50.0070.03313.80
5.3.40.0030.03713.91
5.3.30.0000.03713.87
5.3.20.0070.02313.66
5.3.10.0000.03713.63
5.3.00.0000.03313.63
5.2.170.0070.02713.63
5.2.160.0030.03313.63
5.2.150.0000.03013.63
5.2.140.0070.02713.63
5.2.130.0070.02713.63
5.2.120.0030.02313.63
5.2.110.0000.02713.63
5.2.100.0070.02013.63
5.2.90.0030.02313.63
5.2.80.0000.03013.63
5.2.70.0030.02713.63
5.2.60.0070.02013.63
5.2.50.0030.02713.63
5.2.40.0030.02313.63
5.2.30.0030.02713.63
5.2.20.0000.02313.63
5.2.10.0000.02713.63
5.2.00.0000.02313.63
5.1.60.0000.02013.63
5.1.50.0030.02313.63
5.1.40.0030.02013.63
5.1.30.0000.02313.63
5.1.20.0000.02313.63
5.1.10.0000.03013.63
5.1.00.0070.04013.63
5.0.50.0000.04313.63
5.0.40.0070.03313.63
5.0.30.0000.06713.63
5.0.20.0070.03713.63
5.0.10.0070.02313.63
5.0.00.0070.05713.63
4.4.90.0000.01713.63
4.4.80.0030.01013.63
4.4.70.0000.01313.63
4.4.60.0030.01313.63
4.4.50.0000.01713.63
4.4.40.0000.02313.63
4.4.30.0030.01013.63
4.4.20.0000.01313.63
4.4.10.0030.01313.63
4.4.00.0070.04713.63
4.3.110.0000.03013.63
4.3.100.0030.02013.63
4.3.90.0000.01713.63
4.3.80.0030.05313.63
4.3.70.0030.02013.63
4.3.60.0030.02713.63
4.3.50.0000.02013.63
4.3.40.0000.03713.63
4.3.30.0000.01713.63
4.3.20.0030.03313.63
4.3.10.0000.03013.63
4.3.00.0000.02013.63

preferences:
42.19 ms | 401 KiB | 5 Q