3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_match('#$[a-z][a-z-]{1,63}^#i', 'test');

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)
8.3.60.0040.01118.43
8.3.50.0090.00918.15
8.3.40.0060.00918.64
8.3.30.0090.00618.92
8.3.20.0040.01219.09
8.3.10.0060.00323.62
8.3.00.0040.00420.75
8.2.180.0120.00918.42
8.2.170.0120.00422.96
8.2.160.0100.00320.52
8.2.150.0000.00824.18
8.2.140.0030.00624.66
8.2.130.0040.00417.97
8.2.120.0050.00326.35
8.2.110.0030.00621.12
8.2.100.0070.00417.72
8.2.90.0000.00918.09
8.2.80.0050.00317.97
8.2.70.0000.00817.93
8.2.60.0060.00318.03
8.2.50.0050.00318.10
8.2.40.0000.00819.34
8.2.30.0040.00419.19
8.2.20.0040.00417.88
8.2.10.0000.00817.82
8.2.00.0030.00617.59
8.1.280.0110.00825.92
8.1.270.0040.00418.83
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0030.00623.91
8.1.230.0080.00320.88
8.1.220.0040.00417.74
8.1.210.0030.00518.90
8.1.200.0090.00017.35
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0040.00418.71
8.1.160.0040.00418.77
8.1.150.0030.00518.68
8.1.140.0040.00422.19
8.1.130.0000.00721.99
8.1.120.0000.00717.43
8.1.110.0040.00417.35
8.1.100.0040.00417.48
8.1.90.0040.00417.47
8.1.80.0080.00017.36
8.1.70.0040.00417.48
8.1.60.0030.00517.60
8.1.50.0070.00417.55
8.1.40.0000.00817.54
8.1.30.0080.00017.60
8.1.20.0030.00517.63
8.1.10.0050.00217.48
8.1.00.0040.00417.37
8.0.300.0000.00719.98
8.0.290.0090.00016.75
8.0.280.0000.00718.39
8.0.270.0070.00017.20
8.0.260.0030.00318.43
8.0.250.0070.00017.00
8.0.240.0040.00417.02
8.0.230.0050.00316.87
8.0.220.0000.00716.84
8.0.210.0030.00416.77
8.0.200.0000.00716.92
8.0.190.0000.00816.97
8.0.180.0060.00316.94
8.0.170.0080.00016.95
8.0.160.0080.00016.89
8.0.150.0030.00316.83
8.0.140.0040.00416.83
8.0.130.0000.00513.28
8.0.120.0030.00616.85
8.0.110.0000.00816.86
8.0.100.0000.00716.72
8.0.90.0000.00716.92
8.0.80.0080.00716.89
8.0.70.0070.00016.84
8.0.60.0000.00816.96
8.0.50.0040.00416.79
8.0.30.0120.00616.91
8.0.20.0120.00617.40
8.0.10.0070.00016.94
8.0.00.0140.00816.76
7.4.330.0000.00615.55
7.4.320.0070.00016.68
7.4.300.0040.00416.63
7.4.290.0070.00016.57
7.4.280.0060.00516.67
7.4.270.0030.00316.55
7.4.260.0030.00316.70
7.4.250.0000.00816.44
7.4.240.0020.00516.66
7.4.230.0040.00416.39
7.4.220.0000.00716.69
7.4.210.0070.00716.58
7.4.200.0070.00016.58
7.4.160.0080.00716.62
7.4.140.0140.00817.86
7.4.130.0060.01216.68
7.4.120.0110.00916.48
7.4.110.0100.00716.69
7.4.100.0000.01716.68
7.4.90.0140.00316.63
7.4.80.0070.01019.39
7.4.70.0120.00416.54
7.4.60.0040.01416.52
7.4.50.0030.01416.57
7.4.40.0160.00016.40
7.4.00.0030.01514.78
7.3.330.0020.00213.06
7.3.320.0030.00313.11
7.3.310.0000.00816.16
7.3.300.0000.00616.27
7.3.290.0040.00416.29
7.3.280.0030.01316.30
7.3.260.0100.00716.50
7.3.240.0090.00816.42
7.3.230.0140.00316.46
7.3.210.0080.01116.30
7.3.200.0130.00316.32
7.3.190.0040.01516.45
7.3.180.0070.01016.64
7.3.170.0080.00516.43
7.3.160.0100.01316.27
7.3.10.0100.00316.73
7.3.00.0040.00816.65
7.2.330.0070.01816.66
7.2.320.0110.00616.57
7.2.310.0070.01116.56
7.2.300.0090.01216.50
7.2.290.0070.01016.75
7.2.130.0000.01817.03
7.2.120.0000.01416.89
7.2.110.0310.01115.40
7.2.100.0330.00815.63
7.2.90.0160.01115.79
7.2.80.0080.01315.93
7.2.70.0150.01515.78
7.2.60.0240.00615.86
7.2.50.0350.00715.82
7.2.40.0300.01215.88
7.2.30.0310.00815.80
7.2.20.0290.01115.64
7.2.10.0330.00415.94
7.2.00.0290.00715.88
7.1.250.0030.00615.80
7.1.240.0030.00715.61
7.1.230.0380.00414.77
7.1.220.0390.00314.74
7.1.210.0180.01014.74
7.1.200.0390.00814.79
7.1.190.0320.00814.82
7.1.180.0310.00814.83
7.1.170.0370.00714.80
7.1.160.0310.00714.82
7.1.150.0540.00514.85
7.1.140.0290.00514.71
7.1.130.0350.01214.89
7.1.120.0300.00714.84
7.1.110.0180.01014.78
7.1.100.0100.00814.76
7.1.90.0300.01014.71
7.1.80.0320.00614.73
7.1.70.0310.00914.87
7.1.60.0390.00923.71
7.1.50.0500.00523.66
7.1.40.0570.01123.69
7.1.30.0520.01123.67
7.1.20.0610.00923.73
7.1.10.0490.01514.75
7.1.00.0290.00314.65
7.0.330.0000.01115.20
5.6.380.0090.00914.25

preferences:
40.38 ms | 400 KiB | 5 Q