3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = "[em_08]"; $preg = "/\[em_(\d+)\]/i"; echo preg_replace($preg, "https://v2ex.com/$1.gif", $text);

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)
8.3.60.0040.01116.61
8.3.50.0100.01021.95
8.3.40.0070.00718.83
8.3.30.0070.00718.75
8.3.20.0040.00420.38
8.3.10.0040.00421.95
8.3.00.0070.00320.80
8.2.180.0070.00716.63
8.2.170.0110.00422.96
8.2.160.0150.00322.32
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0140.00026.16
8.2.120.0050.00319.89
8.2.110.0100.00022.36
8.2.100.0130.00317.72
8.2.90.0000.00819.03
8.2.80.0080.00017.97
8.2.70.0040.00417.75
8.2.60.0060.00317.93
8.2.50.0060.00318.07
8.2.40.0040.00418.16
8.2.30.0040.00418.14
8.2.20.0080.00017.84
8.2.10.0000.00717.96
8.2.00.0000.00817.79
8.1.280.0030.01225.92
8.1.270.0040.00423.96
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0000.00920.28
8.1.230.0080.00317.71
8.1.220.0030.00617.74
8.1.210.0030.00518.77
8.1.200.0040.00417.35
8.1.190.0050.00317.22
8.1.180.0040.00418.10
8.1.170.0080.00020.48
8.1.160.0040.00422.02
8.1.150.0030.00518.85
8.1.140.0050.00217.48
8.1.130.0000.00717.77
8.1.120.0000.00717.52
8.1.110.0000.00717.56
8.1.100.0030.00517.42
8.1.90.0040.00417.45
8.1.80.0040.00417.53
8.1.70.0030.00317.52
8.1.60.0030.00617.55
8.1.50.0050.00317.65
8.1.40.0040.00417.63
8.1.30.0030.00517.64
8.1.20.0030.00517.63
8.1.10.0040.00417.62
8.1.00.0000.00817.56
8.0.300.0000.00718.77
8.0.290.0070.00016.88
8.0.280.0050.00218.51
8.0.270.0030.00317.15
8.0.260.0030.00317.28
8.0.250.0040.00417.02
8.0.240.0000.00617.10
8.0.230.0050.00316.97
8.0.220.0030.00317.01
8.0.210.0000.00717.00
8.0.200.0030.00317.06
8.0.190.0000.00816.95
8.0.180.0100.00016.99
8.0.170.0080.00016.89
8.0.160.0000.00717.01
8.0.150.0000.00716.90
8.0.140.0000.00716.93
8.0.130.0040.00313.38
8.0.120.0050.00316.96
8.0.110.0090.00016.87
8.0.100.0060.00316.97
8.0.90.0000.00717.05
8.0.80.0100.01017.03
8.0.70.0000.00716.92
8.0.60.0000.00816.93
8.0.50.0000.00717.09
8.0.30.0140.00817.35
8.0.20.0070.01017.51
8.0.10.0040.00417.15
8.0.00.0140.00716.77
7.4.330.0000.00515.03
7.4.320.0000.00716.51
7.4.300.0030.00316.79
7.4.290.0000.00816.61
7.4.280.0030.00516.54
7.4.270.0040.00416.66
7.4.260.0070.00016.68
7.4.250.0000.00716.73
7.4.240.0070.00016.70
7.4.230.0050.00216.83
7.4.220.0140.00716.66
7.4.210.0050.00916.69
7.4.200.0050.00216.83
7.4.160.0000.01616.71
7.4.150.0060.01217.40
7.4.140.0080.01117.86
7.4.130.0130.00616.63
7.4.120.0150.00316.67
7.4.110.0060.01216.47
7.4.100.0030.01316.74
7.4.90.0070.01016.88
7.4.80.0070.01116.71
7.4.70.0080.01116.64
7.4.60.0100.00716.57
7.4.50.0060.00016.46
7.4.40.0150.00416.82
7.4.30.0080.01116.65
7.4.00.0000.01215.20
7.3.330.0030.00313.20
7.3.320.0090.00313.13
7.3.310.0030.00316.36
7.3.300.0030.00316.20
7.3.290.0030.00316.29
7.3.280.0100.00716.30
7.3.270.0180.00417.40
7.3.260.0030.02016.17
7.3.250.0030.01516.49
7.3.240.0100.00716.24
7.3.230.0150.00316.71
7.3.210.0090.00916.50
7.3.200.0070.01019.39
7.3.190.0100.01016.38
7.3.180.0040.01316.43
7.3.170.0070.01316.55
7.3.160.0090.00916.66
7.2.330.0080.01116.69
7.2.320.0050.01116.57
7.2.310.0070.01116.75
7.2.300.0240.00316.43
7.2.290.0120.00616.78
7.2.80.0080.00416.82
7.2.60.0070.00716.84
7.1.200.0040.00715.92
7.1.70.0090.00617.31
7.1.60.0090.01519.46
7.1.50.0090.00617.17
7.1.00.0070.07322.31
7.0.200.0500.01015.01
7.0.140.0030.06722.09
7.0.60.0070.08019.92
7.0.50.0000.04317.91
7.0.40.0070.08020.05
7.0.30.0330.06720.23
7.0.20.0270.08020.32
7.0.10.0030.04720.05
7.0.00.0100.04720.31
5.6.280.0070.07020.98
5.6.210.0030.08320.62
5.6.200.0070.08018.19
5.6.190.0170.06320.67
5.6.180.0470.06720.27
5.6.170.0230.06020.33
5.6.160.0100.08320.33
5.6.150.0070.05718.12
5.6.140.0030.06018.16
5.6.130.0100.08318.09
5.6.120.0030.07320.99
5.6.110.0130.03721.01
5.6.100.0070.08321.13
5.6.90.0130.07020.96
5.6.80.0030.04020.42
5.5.350.0300.07020.43
5.5.340.0000.05318.02
5.5.330.0170.07320.43
5.5.320.0300.06320.19
5.5.310.0170.04320.27
5.5.300.0130.03718.02
5.5.290.0100.08317.95
5.5.280.0200.05320.77
5.5.270.0030.04320.83
5.5.260.0200.06020.86
5.5.250.0170.07320.63
5.5.240.0070.07320.28
5.4.450.0030.04019.47
5.4.440.0100.03019.15
5.4.430.0070.04319.50
5.4.420.0070.07319.50
5.4.410.0030.05019.35
5.4.400.0070.07719.00
5.4.390.0070.07319.07
5.4.380.0200.04719.01
5.4.370.0070.05719.08
5.4.360.0170.07018.91
5.4.350.0030.07719.15
5.4.340.0000.05318.92
5.4.320.0100.06719.12
5.4.310.0070.08019.08
5.4.300.0070.07719.00
5.4.290.0070.05318.81
5.4.280.0070.05719.16
5.4.270.0100.07718.92
5.4.260.0030.06018.91
5.4.250.0030.05019.19
5.4.240.0130.07019.17
5.4.230.0030.06318.90
5.4.220.0070.06718.78
5.4.210.0030.08019.00
5.4.200.0170.05719.17
5.4.190.0070.07019.13
5.4.180.0070.06719.16
5.4.170.0070.04319.19
5.4.160.0070.06018.93
5.4.150.0100.07719.17
5.4.140.0100.05316.34
5.4.130.0100.06316.24
5.4.120.0030.04316.43
5.4.110.0100.07316.41
5.4.100.0030.05316.27
5.4.90.0070.07716.63
5.4.80.0030.07016.29
5.4.70.0070.05316.31
5.4.60.0030.04716.22
5.4.50.0070.07316.16
5.4.40.0070.07016.41
5.4.30.0030.04316.12
5.4.20.0030.05716.36
5.4.10.0100.07016.24
5.4.00.0030.07715.93
5.3.290.0030.05714.59
5.3.280.0070.03714.53
5.3.270.0000.07714.50
5.3.260.0100.07314.54
5.3.250.0100.07014.39
5.3.240.0130.06314.61
5.3.230.0100.04014.61
5.3.220.0070.07014.49
5.3.210.0100.05314.53
5.3.200.0100.07314.66
5.3.190.0070.08314.48
5.3.180.0130.06314.52
5.3.170.0030.05314.46
5.3.160.0070.07014.52
5.3.150.0200.06014.64
5.3.140.0000.05014.49
5.3.130.0100.07014.33
5.3.120.0070.05714.55
5.3.110.0130.06014.48
5.3.100.0030.05014.04
5.3.90.0100.07313.95
5.3.80.0100.04713.94
5.3.70.0030.06713.84
5.3.60.0070.08013.95
5.3.50.0000.06313.88
5.3.40.0100.06313.91
5.3.30.0130.04013.83
5.3.20.0030.03713.62
5.3.10.0030.07713.47
5.3.00.0100.05313.56
5.2.170.0030.06010.97
5.2.160.0070.02711.23
5.2.150.0000.06011.03
5.2.140.0170.05711.02
5.2.130.0030.03711.08
5.2.120.0130.03711.20
5.2.110.0030.05310.96
5.2.100.0070.03011.05
5.2.90.0070.02711.01
5.2.80.0070.06010.91
5.2.70.0070.05710.99
5.2.60.0030.06710.98
5.2.50.0270.01310.92
5.2.40.0070.05310.91
5.2.30.0070.05710.86
5.2.20.0070.06010.90
5.2.10.0030.04710.90
5.2.00.0000.04310.70
5.1.60.0030.0279.98
5.1.50.0000.03010.00
5.1.40.0000.0379.99
5.1.30.0030.05710.34
5.1.20.0000.04310.34
5.1.10.0030.03710.06
5.1.00.0070.03310.12
5.0.50.0030.0408.52
5.0.40.0070.0238.38
5.0.30.0000.0638.37
5.0.20.0000.0378.19
5.0.10.0000.0278.22
5.0.00.0070.0608.12
4.4.90.0000.0377.81
4.4.80.0000.0407.81
4.4.70.0000.0237.81
4.4.60.0030.0237.81
4.4.50.0030.0237.81
4.4.40.0000.0337.81
4.4.30.0070.0237.81
4.4.20.0000.0277.81
4.4.10.0000.0237.81
4.4.00.0100.0377.81
4.3.110.0000.0407.81
4.3.100.0030.0377.81
4.3.90.0070.0307.81
4.3.80.0000.0337.81
4.3.70.0030.0377.81
4.3.60.0000.0237.81
4.3.50.0000.0207.81
4.3.40.0000.0277.81
4.3.30.0000.0377.81
4.3.20.0000.0207.81
4.3.10.0000.0407.81
4.3.00.0000.0207.81

preferences:
45 ms | 401 KiB | 5 Q