3v4l.org

run code in 300+ PHP versions simultaneously
<?php function hasSpecialChar($subject) { $pattern = "/[`~!@#$%^&*()+=|{}':;',\\[\\].<>\/?~!@#¥%……&*()——+|{}【】‘;:”\"“’。,、?]/"; if (preg_match($pattern, $subject, $r)) { var_dump($r); return true; } return false; } var_dump(hasSpecialChar('问答社区')); // boolean true var_dump(hasSpecialChar('Segmentfault')); // boolean false var_dump(hasSpecialChar('@Segmentfault')); // boolean true

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)
8.3.60.0090.00618.43
8.3.50.0100.01022.03
8.3.40.0070.00718.89
8.3.30.0030.01018.92
8.3.20.0040.00420.39
8.3.10.0040.00421.92
8.3.00.0080.00022.52
8.2.180.0110.01116.63
8.2.170.0040.01122.96
8.2.160.0100.01019.16
8.2.150.0050.00324.18
8.2.140.0070.00324.66
8.2.130.0080.00026.16
8.2.120.0050.00319.49
8.2.110.0090.00021.05
8.2.100.0090.00317.89
8.2.90.0040.00419.08
8.2.80.0090.00017.97
8.2.70.0120.00017.63
8.2.60.0030.00617.92
8.2.50.0000.00818.07
8.2.40.0060.00318.03
8.2.30.0000.00718.08
8.2.20.0000.00817.80
8.2.10.0080.00017.65
8.2.00.0000.00717.64
8.1.280.0110.00725.92
8.1.270.0080.00022.14
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0100.00317.48
8.1.230.0070.00419.16
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.48
8.1.190.0030.00617.39
8.1.180.0080.00020.45
8.1.170.0060.00318.63
8.1.160.0040.00322.16
8.1.150.0000.00718.71
8.1.140.0080.00317.40
8.1.130.0000.00817.89
8.1.120.0040.00417.51
8.1.110.0000.00717.50
8.1.100.0020.00517.48
8.1.90.0040.00417.57
8.1.80.0040.00417.58
8.1.70.0000.00717.58
8.1.60.0040.00417.64
8.1.50.0060.00317.66
8.1.40.0000.00817.62
8.1.30.0000.00717.66
8.1.20.0040.00417.81
8.1.10.0030.00617.68
8.1.00.0050.00517.67
8.0.300.0000.00718.77
8.0.290.0000.00717.05
8.0.280.0040.00418.46
8.0.270.0040.00417.27
8.0.260.0000.00616.82
8.0.250.0000.00716.96
8.0.240.0070.00017.03
8.0.230.0030.00317.05
8.0.220.0000.00716.97
8.0.210.0040.00416.85
8.0.200.0030.00316.96
8.0.190.0040.00416.88
8.0.180.0040.00416.98
8.0.170.0040.00416.96
8.0.160.0070.00016.87
8.0.150.0000.00816.85
8.0.140.0040.00416.94
8.0.130.0000.00613.41
8.0.120.0080.00016.89
8.0.110.0000.00816.86
8.0.100.0050.00317.09
8.0.90.0050.00316.87
8.0.80.0060.00916.94
8.0.70.0000.00716.85
8.0.60.0000.00716.86
8.0.50.0070.00016.78
8.0.30.0120.01017.29
8.0.20.0160.00717.41
8.0.10.0000.00717.14
8.0.00.0150.00516.73
7.4.330.0030.00315.11
7.4.320.0000.00616.67
7.4.300.0030.00316.62
7.4.290.0030.00316.68
7.4.280.0030.00316.78
7.4.270.0000.00816.73
7.4.260.0050.00316.77
7.4.250.0040.00416.68
7.4.240.0040.00416.83
7.4.230.0030.00316.79
7.4.220.0070.01016.76
7.4.210.0060.00916.86
7.4.200.0000.00716.93
7.4.190.0070.00016.81
7.4.160.0130.00316.65
7.4.150.0090.00917.40
7.4.140.0050.01417.86
7.4.130.0100.00716.59
7.4.120.0100.00716.79
7.4.110.0090.00616.45
7.4.100.0160.00616.55
7.4.90.0170.00716.54
7.4.80.0110.00819.39
7.4.70.0110.00716.57
7.4.60.0090.01216.73
7.4.50.0000.00516.35
7.4.40.0100.00622.77
7.4.30.0030.01316.70
7.4.00.0080.00815.08
7.3.330.0050.00013.24
7.3.320.0020.00213.32
7.3.310.0000.00716.39
7.3.300.0040.00416.34
7.3.290.0000.01516.35
7.3.280.0090.00516.35
7.3.270.0070.01017.40
7.3.260.0170.00016.43
7.3.250.0110.00616.42
7.3.240.0130.00416.43
7.3.230.0070.01116.45
7.3.210.0110.00616.59
7.3.200.0040.01219.39
7.3.190.0000.01616.32
7.3.180.0100.00616.48
7.3.170.0060.01116.37
7.3.160.0130.00316.38
7.3.120.0100.00815.04
7.3.110.0000.01815.10
7.3.100.0110.00415.14
7.3.90.0040.00714.75
7.3.80.0090.00914.93
7.3.70.0000.00914.95
7.3.60.0040.00814.78
7.3.50.0050.00514.89
7.3.40.0040.01114.97
7.3.30.0030.01014.84
7.3.20.0100.00716.80
7.3.10.0030.00916.56
7.3.00.0040.00416.48
7.2.330.0090.00916.46
7.2.320.0100.01316.79
7.2.310.0130.00916.46
7.2.300.0170.00016.72
7.2.290.0070.01016.47
7.2.250.0070.01015.14
7.2.240.0000.01614.75
7.2.230.0030.01014.72
7.2.220.0090.00614.67
7.2.210.0070.00715.12
7.2.200.0080.00314.88
7.2.190.0110.00415.09
7.2.180.0000.01314.82
7.2.170.0030.01015.12
7.2.60.0030.01017.01
7.2.00.0070.01019.30
7.1.330.0120.00315.90
7.1.320.0100.00315.78
7.1.310.0030.00916.15
7.1.300.0030.01415.80
7.1.290.0040.01116.14
7.1.280.0000.01215.94
7.1.270.0070.01015.87
7.1.260.0000.01315.93
7.1.200.0030.00715.64
7.1.100.0090.00618.07
7.1.70.0000.00917.13
7.1.60.0070.01719.82
7.1.50.0000.02117.16
7.1.00.0030.07322.51
7.0.200.0000.00816.76
7.0.140.0070.07021.90
7.0.60.0030.04019.86
7.0.50.0030.04317.99
7.0.40.0100.09320.44
7.0.30.0370.07020.11
7.0.20.0300.03720.18
7.0.10.0270.04320.05
7.0.00.0100.06720.13
5.6.280.0100.06721.12
5.6.210.0030.07320.48
5.6.200.0070.06718.29
5.6.190.0030.04720.63
5.6.180.3230.04020.68
5.6.170.0370.05320.57
5.6.160.0130.08020.55
5.6.150.0130.07018.18
5.6.140.0100.06718.18
5.6.130.0030.08018.27
5.6.120.0170.04721.00
5.6.110.0200.05321.14
5.6.100.0070.05020.96
5.6.90.0130.06321.00
5.6.80.0100.03320.51
5.6.70.0330.07320.43
5.5.350.0070.08020.41
5.5.340.0070.07717.95
5.5.330.0100.08020.29
5.5.320.0270.04320.34
5.5.310.0170.05320.34
5.5.300.0000.04317.98
5.5.290.0130.06017.92
5.5.280.0070.04020.84
5.5.270.0030.05320.73
5.5.260.0070.05720.89
5.5.250.0000.06020.78
5.5.240.0170.06320.04
5.4.450.0430.05719.45
5.4.440.0130.06019.48
5.4.430.0070.06019.47
5.4.420.0170.05319.63
5.4.410.0330.05719.50
5.4.400.0870.00018.77
5.4.390.1270.00018.52
5.4.380.0300.06018.80
5.4.370.0370.05018.80
5.4.360.0400.05318.71
5.4.350.0300.06018.82
5.4.340.0230.05318.51
5.4.320.0110.03112.50
5.4.310.0070.04012.50
5.4.300.0080.04312.50
5.4.290.0100.03912.50
5.4.280.0090.03512.40
5.4.270.0050.04312.40
5.4.260.0130.06018.73
5.4.250.0100.07318.95
5.4.240.0100.06018.88
5.4.230.0070.05318.89
5.4.220.0070.06018.80
5.4.210.0030.05718.74
5.4.200.0070.07319.09
5.4.190.0030.05318.73
5.4.180.0230.03318.96
5.4.170.0030.05718.67
5.4.160.0100.05018.73
5.4.150.0130.05019.07
5.4.140.0070.06716.35
5.4.130.0100.05016.36
5.4.120.0100.04316.49
5.4.110.0000.05716.55
5.4.100.0070.04716.43
5.4.90.0100.04716.38
5.4.80.0100.04316.46
5.4.70.0100.04316.39
5.4.60.0100.05316.44
5.4.50.0130.06316.40
5.4.40.0200.05716.58
5.4.30.0070.04716.41
5.4.20.0030.05316.34
5.4.10.0030.05716.27
5.4.00.0030.07715.97
5.3.290.0040.04012.80
5.3.280.0030.05714.59
5.3.270.0070.05314.43
5.3.260.0070.05314.43
5.3.250.0200.03714.61
5.3.240.0170.06014.66
5.3.230.0130.04314.56
5.3.220.0170.05014.55
5.3.210.0070.05314.63
5.3.200.0130.05014.74
5.3.190.0030.05014.58
5.3.180.0100.05014.72
5.3.170.0030.05714.62
5.3.160.0070.07314.57
5.3.150.0000.05714.46
5.3.140.0100.05014.45
5.3.130.0030.06014.76
5.3.120.0000.06014.61
5.3.110.0170.04314.56
5.3.100.0030.05314.00
5.3.90.0100.06714.15
5.3.80.0070.05014.09
5.3.70.0070.07014.04
5.3.60.0130.05013.97
5.3.50.0030.05314.02
5.3.40.0100.04314.02
5.3.30.0130.04714.08
5.3.20.0100.04713.78
5.3.10.0130.06313.64
5.3.00.0070.05013.70
5.2.170.0100.04011.14
5.2.160.0030.04711.21
5.2.150.0070.05711.20
5.2.140.0100.05711.12
5.2.130.0030.04011.19
5.2.120.0070.03711.10
5.2.110.0000.05311.19
5.2.100.0030.05711.09
5.2.90.0000.06311.27
5.2.80.0070.05011.17
5.2.70.0130.04311.08
5.2.60.0130.03311.13
5.2.50.0030.04310.86
5.2.40.0070.05010.91
5.2.30.0030.04310.93
5.2.20.0030.05311.18
5.2.10.0000.04010.86
5.2.00.0130.04310.68
5.1.60.0070.03310.09
5.1.50.0100.0409.83
5.1.40.0000.0409.90
5.1.30.0070.04710.43
5.1.20.0130.02710.18
5.1.10.0100.03010.16
5.1.00.0000.03710.15
5.0.50.0000.0308.60
5.0.40.0000.0308.49
5.0.30.0030.0438.38
5.0.20.0000.0338.29
5.0.10.0030.0278.27
5.0.00.0070.0378.22
4.4.90.0000.0235.86
4.4.80.0100.0135.85
4.4.70.0000.0235.75
4.4.60.0030.0205.97
4.4.50.0030.0235.84
4.4.40.0000.0375.86
4.4.30.0000.0235.83
4.4.20.0030.0205.89
4.4.10.0000.0235.92
4.4.00.0000.0375.85
4.3.110.0000.0235.79
4.3.100.0030.0305.92
4.3.90.0000.0235.77
4.3.80.0000.0335.66
4.3.70.0070.0175.74
4.3.60.0000.0305.73
4.3.50.0000.0235.67
4.3.40.0000.0335.73
4.3.30.0030.0275.61
4.3.20.0000.0235.61
4.3.10.0000.0235.61
4.3.00.0100.0207.57

preferences:
44.34 ms | 401 KiB | 5 Q