3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('/^[a-z_]{4,27}$/', '!'));

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)
8.3.60.0070.01116.50
8.3.50.0100.00316.50
8.3.40.0030.01718.79
8.3.30.0090.00618.55
8.3.20.0080.00020.16
8.3.10.0000.00821.73
8.3.00.0030.00617.78
8.2.180.0140.00418.49
8.2.170.0110.00422.96
8.2.160.0110.00320.46
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0040.00420.95
8.2.120.0050.00326.35
8.2.110.0030.00720.36
8.2.100.0040.00717.84
8.2.90.0040.00419.05
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0040.00417.80
8.2.50.0030.00618.10
8.2.40.0050.00220.66
8.2.30.0040.00419.05
8.2.20.0040.00417.96
8.2.10.0000.00717.88
8.2.00.0040.00418.01
8.1.280.0070.01025.92
8.1.270.0080.00023.82
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.80
8.1.230.0030.00720.99
8.1.220.0090.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.36
8.1.190.0040.00417.35
8.1.180.0050.00318.10
8.1.170.0080.00018.70
8.1.160.0050.00219.04
8.1.150.0040.00420.62
8.1.140.0070.00019.53
8.1.130.0000.00918.83
8.1.120.0040.00417.46
8.1.110.0070.00017.40
8.1.100.0040.00417.36
8.1.90.0000.00717.49
8.1.80.0040.00717.45
8.1.70.0000.00717.49
8.1.60.0040.00417.55
8.1.50.0040.00417.52
8.1.40.0040.00417.45
8.1.30.0050.00217.61
8.1.20.0040.00417.73
8.1.10.0040.00417.57
8.1.00.0030.00517.53
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0070.00018.34
8.0.270.0000.00817.06
8.0.260.0070.00016.82
8.0.250.0060.00016.90
8.0.240.0000.00716.90
8.0.230.0030.00317.04
8.0.220.0000.00716.95
8.0.210.0040.00416.90
8.0.200.0040.00416.94
8.0.190.0030.00516.96
8.0.180.0060.00316.93
8.0.170.0000.00716.96
8.0.160.0030.00316.92
8.0.150.0040.00416.80
8.0.140.0000.00716.82
8.0.130.0030.00313.35
8.0.120.0000.00716.75
8.0.110.0050.00316.75
8.0.100.0000.00717.02
8.0.90.0040.00416.88
8.0.80.0070.01016.90
8.0.70.0040.00416.89
8.0.60.0040.00416.76
8.0.50.0000.00716.73
8.0.30.0080.01017.19
8.0.20.0090.01017.40
8.0.10.0080.00017.09
8.0.00.0130.00316.61
7.4.330.0050.00015.55
7.4.320.0000.00616.57
7.4.300.0050.00216.66
7.4.290.0030.00316.58
7.4.280.0080.00016.56
7.4.270.0030.00316.57
7.4.260.0000.00513.34
7.4.250.0000.00716.50
7.4.240.0000.00716.69
7.4.230.0070.00016.74
7.4.220.0130.00616.60
7.4.210.0080.00816.61
7.4.200.0040.00416.47
7.4.160.0070.00716.61
7.4.150.0070.01317.40
7.4.140.0090.00917.86
7.4.130.0070.01116.46
7.4.120.0110.00916.56
7.4.110.0040.01416.83
7.4.100.0070.01116.56
7.4.90.0080.00916.49
7.4.80.0100.01019.39
7.4.70.0090.00616.76
7.4.60.0090.00616.40
7.4.50.0090.00616.74
7.4.40.0080.00816.64
7.4.30.0060.01616.63
7.4.10.0060.01314.99
7.4.00.0090.00915.05
7.3.330.0070.00013.16
7.3.320.0030.00313.03
7.3.310.0000.00716.35
7.3.300.0030.00316.29
7.3.290.0060.00016.20
7.3.280.0100.00816.28
7.3.270.0100.00717.40
7.3.260.0090.00816.35
7.3.250.0090.01316.31
7.3.240.0120.00416.52
7.3.230.0050.01316.27
7.3.210.0100.00716.53
7.3.200.0120.00616.47
7.3.190.0000.01616.30
7.3.180.0170.00016.54
7.3.170.0140.00616.68
7.3.160.0040.01916.50
7.3.130.0000.01914.54
7.3.120.0080.00814.94
7.3.110.0100.01015.05
7.3.100.0150.00014.73
7.3.90.0070.00714.75
7.3.80.0080.00414.77
7.3.70.0030.01015.02
7.3.60.0040.00814.84
7.3.50.0090.00614.68
7.3.40.0040.01114.90
7.3.30.0110.00414.97
7.3.20.0040.00816.63
7.3.10.0040.01116.84
7.3.00.0030.01116.70
7.2.330.0070.01016.57
7.2.320.0060.01216.71
7.2.310.0130.00716.53
7.2.300.0080.01416.50
7.2.290.0060.01016.55
7.2.260.0060.01314.95
7.2.250.0100.01014.98
7.2.240.0030.01015.04
7.2.230.0060.00915.16
7.2.220.0060.01214.86
7.2.210.0090.00615.02
7.2.200.0000.01114.70
7.2.190.0000.01414.91
7.2.180.0030.00715.14
7.2.170.0060.00915.07
7.2.160.0110.00415.06
7.2.150.0150.00016.86
7.2.140.0120.00016.89
7.2.130.0070.00916.57
7.2.120.0050.00916.93
7.2.110.0100.00816.95
7.2.100.0050.01016.75
7.2.90.0290.00616.27
7.2.80.0090.00816.13
7.2.70.0020.01516.36
7.2.60.0160.01116.18
7.2.50.0200.00716.21
7.2.40.0110.00716.34
7.2.30.0050.01016.28
7.2.20.0170.00816.27
7.2.10.0070.00516.30
7.2.00.0380.00916.21
7.1.330.0000.01315.83
7.1.320.0080.00415.90
7.1.310.0030.01015.75
7.1.300.0030.01416.00
7.1.290.0030.00815.81
7.1.280.0070.00715.73
7.1.270.0040.00815.81
7.1.260.0080.00815.74
7.1.250.0070.00715.80
7.1.240.0060.00415.78
7.1.230.0050.01115.95
7.1.220.0050.00715.83
7.1.210.0210.01315.12
7.1.200.0340.00615.17
7.1.190.0040.00715.17
7.1.180.0080.00615.09
7.1.170.0050.00915.22
7.1.160.0270.00615.08
7.1.150.0210.00515.20
7.1.140.0080.00515.22
7.1.130.0400.00315.33
7.1.120.0340.01115.10
7.1.110.0310.00615.23
7.1.100.0420.00815.19
7.1.90.0510.01015.23
7.1.80.0500.00615.18
7.1.70.0380.00815.27
7.1.60.0160.00621.19
7.1.50.0350.00521.16
7.1.40.0570.01021.12
7.1.30.0160.00721.15
7.1.20.0580.00821.20
7.1.10.0050.01015.16
7.1.00.0430.01015.31
7.0.330.0040.00615.33
7.0.320.0060.00415.39
7.0.310.0070.00714.75
7.0.300.0090.00414.70
7.0.290.0170.00314.86
7.0.280.0250.00714.82
7.0.270.0400.00714.85
7.0.260.0470.01014.66
7.0.250.0390.00314.71
7.0.240.0450.00914.98
7.0.230.0560.00814.79
7.0.220.0490.00814.69
7.0.210.0050.00814.72
7.0.200.0160.00715.00
7.0.190.0050.01014.82
7.0.180.0620.00714.86
7.0.170.0180.00914.79
7.0.160.0550.00714.95
7.0.150.0410.00714.70
7.0.140.0160.01114.90
7.0.130.0110.00914.74
7.0.120.0110.00614.84
7.0.110.0580.00814.74
7.0.100.0520.00714.81
7.0.90.0660.00614.89
7.0.80.0700.00514.74
7.0.70.0480.00514.84
7.0.60.0490.00614.80
7.0.50.0570.01014.90
7.0.40.0070.00613.59
7.0.30.0160.00813.64
7.0.20.0370.00913.50
7.0.10.0180.00313.51
7.0.00.0250.00813.55
5.6.400.0120.00014.33
5.6.390.0090.00014.33
5.6.380.0080.00614.19
5.6.370.0120.00013.84
5.6.360.0100.00614.28
5.6.350.0030.00914.07
5.6.340.0070.00714.16
5.6.330.0070.01014.13
5.6.320.0070.00714.14
5.6.310.0040.01113.92
5.6.300.0120.00314.09
5.6.290.0000.01014.16
5.6.280.0070.00714.04
5.6.270.0080.00814.43
5.6.260.0030.00514.21
5.6.250.0110.00314.10
5.6.240.0100.00414.39
5.6.230.0080.00414.04
5.6.220.0120.00613.84
5.6.210.0100.00714.02
5.6.200.0110.00714.14
5.6.190.0110.00714.25
5.6.180.0030.00914.25
5.6.170.0030.01014.30
5.6.160.0030.00913.95
5.6.150.0090.00014.27
5.6.140.0030.01014.32
5.6.130.0000.01514.41
5.6.120.0000.00914.33
5.6.110.0090.00314.11
5.6.100.0080.00313.89
5.6.90.0120.00314.21
5.6.80.0090.00614.17
5.6.70.0090.00613.97
5.6.60.0090.00614.16
5.6.50.0000.01614.07
5.6.40.0130.00014.18
5.6.30.0030.01014.09
5.6.20.0060.00613.82
5.6.10.0000.00914.39
5.6.00.0000.01414.02

preferences:
49.75 ms | 401 KiB | 5 Q