3v4l.org

run code in 300+ PHP versions simultaneously
<?php function cele_cislo($cislo) { return preg_match('/^[1-9]\d*$/', $cislo) === 1; } var_dump(cele_cislo('123456f')); var_dump(cele_cislo('f123456')); var_dump(cele_cislo('123456'));

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)
8.3.60.0150.00016.61
8.3.50.0060.01018.43
8.3.40.0070.01118.84
8.3.30.0070.00719.02
8.3.20.0040.00421.86
8.3.10.0000.00821.90
8.3.00.0090.00019.38
8.2.180.0110.00418.41
8.2.170.0120.00322.96
8.2.160.0070.01020.35
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00417.78
8.2.120.0060.00326.35
8.2.110.0060.00322.17
8.2.100.0160.00017.72
8.2.90.0040.00417.38
8.2.80.0050.00317.97
8.2.70.0050.00317.66
8.2.60.0040.00417.91
8.2.50.0000.00919.35
8.2.40.0000.00820.37
8.2.30.0000.00719.09
8.2.20.0070.00717.96
8.2.10.0000.00717.83
8.2.00.0040.00417.57
8.1.280.0050.01025.92
8.1.270.0040.00420.40
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0090.00023.96
8.1.230.0090.00319.16
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00717.23
8.1.190.0090.00017.23
8.1.180.0000.00918.10
8.1.170.0030.00618.86
8.1.160.0000.00718.66
8.1.150.0030.00320.19
8.1.140.0000.00819.39
8.1.130.0030.00318.96
8.1.120.0040.00417.52
8.1.110.0070.00417.48
8.1.100.0070.00017.47
8.1.90.0040.00417.39
8.1.80.0030.00317.38
8.1.70.0030.00317.55
8.1.60.0000.00817.55
8.1.50.0050.00517.60
8.1.40.0080.00017.49
8.1.30.0040.00417.63
8.1.20.0080.00017.66
8.1.10.0030.00617.48
8.1.00.0040.00417.51
8.0.300.0040.00421.94
8.0.290.0040.00416.75
8.0.280.0030.00318.32
8.0.270.0000.00817.15
8.0.260.0060.00017.06
8.0.250.0040.00416.93
8.0.240.0050.00316.89
8.0.230.0000.00716.94
8.0.220.0050.00316.81
8.0.210.0070.00016.91
8.0.200.0040.00417.02
8.0.190.0000.00816.96
8.0.180.0040.00416.91
8.0.170.0080.00016.92
8.0.160.0040.00416.86
8.0.150.0040.00416.76
8.0.140.0060.00316.86
8.0.130.0060.00013.28
8.0.120.0060.00316.77
8.0.110.0000.00716.78
8.0.100.0030.00616.96
8.0.90.0000.00716.82
8.0.80.0040.01116.83
8.0.70.0040.00416.80
8.0.60.0040.00416.88
8.0.50.0070.00016.88
8.0.30.0120.00817.26
8.0.20.0120.00717.40
8.0.10.0070.00016.84
8.0.00.0120.00617.14
7.4.330.0000.00615.55
7.4.320.0000.00716.60
7.4.300.0000.00616.63
7.4.290.0070.00316.57
7.4.280.0040.00416.73
7.4.270.0000.00716.77
7.4.260.0030.00616.74
7.4.250.0070.00016.63
7.4.240.0040.00416.76
7.4.230.0000.00716.56
7.4.220.0000.02116.67
7.4.210.0030.01216.83
7.4.200.0070.00016.72
7.4.160.0020.01416.70
7.4.150.0100.00717.40
7.4.140.0110.01017.86
7.4.130.0030.01416.71
7.4.120.0120.01116.62
7.4.110.0030.01316.75
7.4.100.0090.00916.66
7.4.90.0130.01016.66
7.4.80.0030.01819.39
7.4.70.0070.01016.64
7.4.60.0080.00816.47
7.4.50.0090.00616.47
7.4.40.0070.01016.79
7.4.30.0170.00816.80
7.4.00.0070.00714.95
7.3.330.0000.00513.40
7.3.320.0000.00613.38
7.3.310.0050.00216.41
7.3.300.0040.00416.24
7.3.290.0090.00616.39
7.3.280.0080.00916.37
7.3.270.0090.00917.40
7.3.260.0030.01316.51
7.3.250.0100.00816.59
7.3.240.0100.00816.45
7.3.230.0100.01416.49
7.3.210.0090.00916.36
7.3.200.0060.01216.50
7.3.190.0100.01016.55
7.3.180.0080.00816.79
7.3.170.0060.00916.65
7.3.160.0080.00816.76
7.2.330.0030.01616.71
7.2.320.0070.01116.58
7.2.310.0070.01116.43
7.2.300.0100.00916.81
7.2.290.0100.00716.64
7.2.60.0120.00316.87
7.1.200.0060.00315.76
7.1.70.0000.00717.17
7.1.60.0030.01017.48
7.1.10.0000.06722.19
7.1.00.0130.05722.39
7.0.200.0030.01016.68
7.0.150.0130.05021.80
7.0.140.0100.05721.82
7.0.130.0100.06021.87
7.0.120.0070.05721.74
7.0.110.0100.05721.82
7.0.100.0100.07721.87
7.0.90.0100.06021.89
7.0.80.0000.06321.86
7.0.70.0100.05321.91
7.0.60.0070.06021.92
7.0.50.0130.06021.88
7.0.40.0030.06021.92
7.0.30.0130.05721.75
7.0.20.0100.05721.98
7.0.10.0130.05322.02
7.0.00.0070.06021.88

preferences:
24.32 ms | 400 KiB | 5 Q