3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace('@(?=\p{Lm})@u', '*', 'م'), PHP_EOL; // prints: '*م' ✓ echo preg_replace('@(?=\pLm)@u', '*', 'ض'), PHP_EOL; // prints: '*ض' ✓ echo preg_replace('@(?=\pLm)@u', '*', 'غ'), PHP_EOL; // prints: '*�*�' ✗ echo preg_replace('@(?=\pLm)@u', '*', 'ص'), PHP_EOL; // prints: '*�*�' ✗

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)
8.3.60.0070.00716.88
8.3.50.0170.01522.07
8.3.40.0040.01118.84
8.3.30.0080.00619.22
8.3.20.0070.00020.20
8.3.10.0000.00723.71
8.3.00.0140.00017.75
8.2.180.0000.01518.26
8.2.170.0070.00722.96
8.2.160.0070.00720.58
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0100.00326.16
8.2.120.0080.00022.43
8.2.110.0040.00419.27
8.2.100.0040.00818.02
8.2.90.0040.00419.27
8.2.80.0040.00417.97
8.2.70.0060.00317.59
8.2.60.0030.00618.04
8.2.50.0040.00418.07
8.2.40.0000.00818.22
8.2.30.0040.00417.96
8.2.20.0040.00417.95
8.2.10.0030.00617.93
8.2.00.0100.00017.84
8.1.280.0070.00725.92
8.1.270.0000.00823.96
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0030.00622.19
8.1.230.0090.00319.00
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0060.00317.35
8.1.190.0040.00417.39
8.1.180.0050.00318.10
8.1.170.0000.00818.69
8.1.160.0040.00421.97
8.1.150.0040.00418.78
8.1.140.0000.00817.45
8.1.130.0030.00317.86
8.1.120.0040.00417.45
8.1.110.0040.00417.39
8.1.100.0030.00517.39
8.1.90.0000.00817.38
8.1.80.0080.00017.50
8.1.70.0030.00317.38
8.1.60.0030.00617.58
8.1.50.0040.00417.44
8.1.40.0030.00517.59
8.1.30.0000.00917.66
8.1.20.0000.00817.71
8.1.10.0000.00717.49
8.1.00.0000.00717.51
8.0.300.0030.00618.77
8.0.290.0040.00416.93
8.0.280.0000.00818.41
8.0.270.0070.00017.02
8.0.260.0000.00617.13
8.0.250.0030.00317.09
8.0.240.0030.00717.14
8.0.230.0070.00017.07
8.0.220.0000.00717.00
8.0.210.0000.00717.04
8.0.200.0060.00017.14
8.0.190.0050.00316.96
8.0.180.0030.00616.97
8.0.170.0040.00416.97
8.0.160.0030.00516.95
8.0.150.0040.00416.94
8.0.140.0000.00816.95
8.0.130.0000.00713.41
8.0.120.0040.00416.90
8.0.110.0040.00417.04
8.0.100.0060.00317.08
8.0.90.0000.00816.92
8.0.80.0060.01017.09
8.0.70.0000.00717.07
8.0.60.0050.00216.94
8.0.50.0050.00317.07
8.0.30.0140.01217.08
8.0.20.0120.00717.40
8.0.10.0000.00717.12
8.0.00.0120.00616.96
7.4.330.0030.00315.00
7.4.320.0030.00316.67
7.4.300.0040.00416.75
7.4.290.0060.00516.54
7.4.280.0000.00816.66
7.4.270.0050.00316.55
7.4.260.0000.00716.54
7.4.250.0040.00416.72
7.4.240.0020.00616.69
7.4.230.0030.00316.76
7.4.220.0100.01116.70
7.4.210.0110.00416.71
7.4.200.0030.00316.46
7.4.190.0000.00716.85
7.4.160.0040.01616.66
7.4.150.0100.00717.40
7.4.140.0100.00817.86
7.4.130.0100.00816.63
7.4.120.0150.00416.64
7.4.110.0110.00516.63
7.4.100.0060.01516.59
7.4.90.0110.00716.43
7.4.80.0110.01119.39
7.4.70.0090.00616.59
7.4.60.0070.01016.71
7.4.50.0060.00316.39
7.4.40.0030.01322.77
7.4.30.0080.00816.43
7.4.00.0060.00914.79
7.3.330.0030.00313.18
7.3.320.0000.00513.05
7.3.310.0000.00716.43
7.3.300.0000.00716.38
7.3.290.0070.00716.36
7.3.280.0090.00916.38
7.3.270.0090.00917.40
7.3.260.0150.00916.33
7.3.250.0120.00516.62
7.3.240.0100.00716.32
7.3.230.0090.00916.63
7.3.210.0160.00016.55
7.3.200.0120.00619.39
7.3.190.0040.01516.39
7.3.180.0130.00316.30
7.3.170.0030.01416.64
7.3.160.0040.01216.62
7.3.120.0150.00315.22
7.3.10.0110.00716.64
7.3.00.0210.00016.09
7.2.330.0040.01516.50
7.2.320.0140.00316.64
7.2.310.0110.00616.48
7.2.300.0100.00816.53
7.2.290.0030.02016.62
7.2.130.0070.00316.64
7.2.120.0190.00816.75
7.2.110.0170.00716.58
7.2.100.0170.00316.60
7.2.90.0110.00616.87
7.2.80.0130.00516.82
7.2.70.0100.00716.91
7.2.60.0110.00716.81
7.2.50.0180.00016.70
7.2.40.0110.00716.55
7.2.30.0090.00916.94
7.2.20.0190.00416.98
7.2.10.0080.01516.75
7.2.00.0170.00917.99
7.1.250.0120.00615.19
7.1.200.0060.00615.85
7.1.100.0000.01218.07
7.1.70.0040.00417.25
7.1.60.0120.01219.33
7.1.50.0060.01317.07
7.1.00.0030.07722.55
7.0.200.0100.00316.61
7.0.140.0030.07322.04
7.0.100.0070.08020.01
7.0.90.0000.08020.04
7.0.80.0130.08019.93
7.0.70.0070.08719.98
7.0.60.0100.07319.89
7.0.50.0100.07720.39
7.0.40.0130.08019.95
7.0.30.0070.07020.15
7.0.20.0030.08320.06
7.0.10.0130.07720.17
7.0.00.0100.08320.07
5.6.280.0030.07321.07
5.6.250.0130.06320.57
5.6.240.0100.08720.69
5.6.230.0100.06020.62
5.6.220.0030.08720.56
5.6.210.0030.08020.55
5.6.200.0030.09021.05
5.6.190.0070.08720.96
5.6.180.0130.06720.99
5.6.170.0030.04720.95
5.6.160.0170.07021.10
5.6.150.0030.08021.05
5.6.140.0170.07021.05
5.6.130.0100.08021.11
5.6.120.0000.08721.17
5.6.110.0100.08321.04
5.6.100.0070.08321.01
5.6.90.0070.07020.94
5.6.80.0070.08020.44
5.6.70.0170.07020.39
5.6.60.0070.07320.37
5.6.50.0070.08320.27
5.6.40.0070.08320.49
5.6.30.0070.08320.47
5.6.20.0270.05720.43
5.6.10.0100.08320.39
5.6.00.0030.05020.40
5.5.380.0170.07320.51
5.5.370.0130.07320.38
5.5.360.0070.08320.34
5.5.350.0070.07720.47
5.5.340.0130.08020.89
5.5.330.0230.06320.83
5.5.320.0030.08020.92
5.5.310.0100.08020.73
5.5.300.0130.07320.92
5.5.290.0100.06720.83
5.5.280.0170.07320.84
5.5.270.0130.07320.82
5.5.260.0170.07020.83
5.5.250.0070.07320.54
5.5.240.0170.06320.18
5.5.230.0170.06720.19
5.5.220.0070.07720.10
5.5.210.0100.08720.24
5.5.200.0130.07020.16
5.5.190.0270.06320.28
5.5.180.0100.04720.23
5.5.160.0030.08020.08
5.5.150.0170.06020.25
5.5.140.0070.05020.20
5.5.130.0170.07320.13
5.5.120.0030.06320.23
5.5.110.0100.06720.27
5.5.100.0130.06720.17
5.5.90.0070.06320.10
5.5.80.0130.07020.14
5.5.70.0070.08019.96
5.5.60.0070.07020.10
5.5.50.0030.07019.89
5.5.40.0030.08020.11
5.5.30.0100.04720.09
5.5.20.0100.08320.05
5.5.10.0130.07020.06
5.5.00.0030.07720.03
5.4.450.0100.07719.56
5.4.440.0000.08719.44
5.4.430.0070.04019.27
5.4.420.0070.08019.38
5.4.410.0030.07719.26
5.4.400.0070.07018.82
5.4.390.0230.06018.79
5.4.380.0100.06719.12
5.4.370.0030.08718.95
5.4.360.0070.04719.04
5.4.350.0030.08319.10
5.4.340.0170.05719.13
5.4.320.0030.07719.12
5.4.310.0070.06319.10
5.4.300.0130.07019.05
5.4.290.0030.05019.03
5.4.280.0070.04719.19
5.4.270.0030.08318.97
5.4.260.0130.06718.81
5.4.250.0100.07019.05
5.4.240.0100.06719.12
5.4.230.0100.07019.11
5.4.220.0130.07018.81
5.4.210.0000.05319.21
5.4.200.0000.07318.96
5.4.190.0030.05018.78
5.4.180.0070.08019.21
5.4.170.0030.08319.14
5.4.160.0100.06019.04
5.4.150.0070.07018.94
5.4.140.0100.07016.37
5.4.130.0030.04316.13
5.4.120.0100.06716.33
5.4.110.0030.08016.31
5.4.100.0130.06316.21
5.4.90.0130.06716.40
5.4.80.0070.07016.19
5.4.70.0130.06016.21
5.4.60.0130.06716.29
5.4.50.0070.07016.37
5.4.40.0030.08016.48
5.4.30.0070.06016.18
5.4.20.0100.04316.23
5.4.10.0100.04316.18
5.4.00.0030.03715.78
5.3.290.0000.08014.52
5.3.280.0130.05714.41
5.3.270.0030.08014.60
5.3.260.0070.07714.57
5.3.250.0100.07014.59
5.3.240.0170.05314.54
5.3.230.0070.08014.61
5.3.220.0170.03714.50
5.3.210.0100.06714.55
5.3.200.0070.05314.56
5.3.190.0000.08314.52
5.3.180.0130.06314.57
5.3.170.0100.07314.53
5.3.160.0070.07314.52
5.3.150.0030.07714.48
5.3.140.0170.06314.50
5.3.130.0030.04714.50
5.3.120.0030.07014.46
5.3.110.0100.05714.41
5.3.100.0030.03714.03
5.3.90.0030.03714.01
5.3.80.0130.02714.00
5.3.70.0070.03713.93
5.3.60.0000.04014.00
5.3.50.0000.04013.88
5.3.40.0000.04013.94
5.3.30.0030.03313.78
5.3.20.0000.03713.60
5.3.10.0000.03713.52
5.3.00.0100.02713.58
5.2.170.0070.02711.83
5.2.160.0070.03011.83
5.2.150.0030.02711.83
5.2.140.0000.03311.83
5.2.130.0030.03011.83
5.2.120.0070.03011.83
5.2.110.0000.03011.83
5.2.100.0000.04311.83
5.2.90.0030.02711.83
5.2.80.0030.04011.83
5.2.70.0000.04311.83
5.2.60.0000.04011.83
5.2.50.0030.02711.83
5.2.40.0000.05311.83
5.2.30.0070.03711.83
5.2.20.0030.03011.83
5.2.10.0000.03311.83
5.2.00.0000.03311.83
5.1.60.0000.03011.83
5.1.50.0000.02711.83
5.1.40.0030.02311.83
5.1.30.0000.04311.83
5.1.20.0030.04011.83
5.1.10.0000.02711.83
5.1.00.0030.02311.83
5.0.50.0000.02311.83
5.0.40.0030.01711.83
5.0.30.0000.03011.83
5.0.20.0000.02011.83
5.0.10.0030.02311.83
5.0.00.0000.03011.83
4.4.90.0000.02311.83
4.4.80.0030.01311.83
4.4.70.0000.03011.83
4.4.60.0030.01311.83
4.4.50.0000.01711.83
4.4.40.0030.02311.83
4.4.30.0000.01711.83
4.4.20.0000.01711.83
4.4.10.0030.01711.83
4.4.00.0030.02011.83
4.3.110.0000.01711.83
4.3.100.0000.01711.83
4.3.90.0000.01711.83
4.3.80.0000.02711.83
4.3.70.0000.02011.83
4.3.60.0000.01711.83
4.3.50.0000.02711.83
4.3.40.0000.02311.83
4.3.30.0030.02311.83
4.3.20.0000.01711.83
4.3.10.0000.01311.83
4.3.00.0000.01311.83

preferences:
47.44 ms | 401 KiB | 5 Q