3v4l.org

run code in 300+ PHP versions simultaneously
<?php $price = (float)substr("£10.00", 1); echo $price;

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)
8.3.60.0070.01016.75
8.3.50.0070.00716.47
8.3.40.0110.00318.71
8.3.30.0030.01218.45
8.3.20.0040.00418.85
8.3.10.0040.00421.71
8.3.00.0040.00419.41
8.2.180.0090.00916.63
8.2.170.0110.00722.96
8.2.160.0130.00020.43
8.2.150.0000.00924.18
8.2.140.0080.00024.66
8.2.130.0000.00720.52
8.2.120.0000.00726.35
8.2.110.0060.01220.38
8.2.100.0040.00817.78
8.2.90.0070.00019.08
8.2.80.0040.00418.04
8.2.70.0040.00417.75
8.2.60.0080.00017.80
8.2.50.0060.00318.10
8.2.40.0000.00822.41
8.2.30.0040.00421.09
8.2.20.0080.00017.96
8.2.10.0050.00218.09
8.2.00.0040.00417.92
8.1.280.0070.00725.92
8.1.270.0080.00022.07
8.1.260.0070.00026.35
8.1.250.0060.00328.09
8.1.240.0060.00322.53
8.1.230.0080.00418.97
8.1.220.0050.00317.74
8.1.210.0090.00018.77
8.1.200.0060.00317.22
8.1.190.0060.00317.22
8.1.180.0040.00418.10
8.1.170.0000.00918.59
8.1.160.0020.00519.05
8.1.150.0030.00520.53
8.1.140.0040.00419.40
8.1.130.0070.00318.92
8.1.120.0070.00017.28
8.1.110.0030.00617.32
8.1.100.0050.00217.30
8.1.90.0020.00517.48
8.1.80.0040.00417.47
8.1.70.0000.00717.43
8.1.60.0030.00617.47
8.1.50.0060.00317.39
8.1.40.0070.00017.51
8.1.30.0000.00817.57
8.1.20.0040.00417.60
8.1.10.0000.00817.38
8.1.00.0050.00317.45
8.0.300.0050.00218.77
8.0.290.0070.00016.75
8.0.280.0000.00718.37
8.0.270.0070.00317.29
8.0.260.0030.00316.71
8.0.250.0030.00316.95
8.0.240.0050.00316.89
8.0.230.0030.00316.78
8.0.220.0000.00716.77
8.0.210.0070.00016.72
8.0.200.0030.00316.73
8.0.190.0000.00816.92
8.0.180.0000.00716.85
8.0.170.0030.00616.82
8.0.160.0030.00516.71
8.0.150.0030.00316.78
8.0.140.0070.00316.79
8.0.130.0030.00313.23
8.0.120.0000.00716.78
8.0.110.0000.00716.73
8.0.100.0000.00716.73
8.0.90.0040.00416.84
8.0.80.0110.01116.87
8.0.70.0050.00216.70
8.0.60.0030.00616.64
8.0.50.0040.00416.64
8.0.30.0060.01417.06
8.0.20.0120.00617.40
8.0.10.0000.00716.94
8.0.00.0100.00716.64
7.4.330.0060.00015.55
7.4.320.0040.00416.44
7.4.300.0000.00616.53
7.4.290.0040.00816.49
7.4.280.0040.00416.48
7.4.270.0030.00516.54
7.4.260.0030.00313.37
7.4.250.0070.00016.54
7.4.240.0080.00016.64
7.4.230.0040.00216.42
7.4.220.0140.00416.38
7.4.210.0100.00416.58
7.4.200.0030.00316.67
7.4.160.0110.00816.34
7.4.150.0090.01817.40
7.4.140.0110.00917.86
7.4.130.0060.01216.62
7.4.120.0070.01216.43
7.4.110.0030.01516.49
7.4.100.0180.00016.41
7.4.90.0130.00316.48
7.4.80.0150.00619.39
7.4.70.0120.00416.51
7.4.60.0100.00616.48
7.4.50.0100.00716.40
7.4.40.0040.01216.42
7.4.30.0060.00916.65
7.4.00.0000.01614.69
7.3.330.0030.00513.15
7.3.320.0000.00513.05
7.3.310.0040.00416.18
7.3.300.0030.00316.23
7.3.290.0000.00616.13
7.3.280.0080.00816.22
7.3.270.0100.00617.40
7.3.260.0060.01116.56
7.3.250.0170.00616.29
7.3.240.0110.00816.45
7.3.230.0140.00316.39
7.3.210.0080.01116.38
7.3.200.0130.00516.16
7.3.190.0130.00316.55
7.3.180.0070.01016.63
7.3.170.0030.01616.34
7.3.160.0090.00616.21
7.2.330.0120.00616.36
7.2.320.0030.01416.55
7.2.310.0100.00716.52
7.2.300.0100.00616.36
7.2.290.0050.01416.30
7.2.60.0060.00916.64
7.2.00.0040.00819.14
7.1.200.0140.00315.56
7.1.100.0000.01117.97
7.1.70.0040.00717.23
7.1.60.0670.02033.17
7.1.50.0630.01732.68
7.1.40.0670.01032.57
7.1.30.0730.00732.59
7.1.20.0670.01732.70
7.1.10.0500.01314.62
7.1.00.0370.01014.72
7.0.200.0630.01014.79
7.0.190.0500.01014.79
7.0.180.0500.01314.30
7.0.170.0530.01714.36
7.0.160.0500.01314.25
7.0.150.0400.01014.30
7.0.140.0330.01014.37
7.0.130.0430.01014.54
7.0.120.0430.01314.40
7.0.110.0570.00714.41
7.0.100.0500.01014.66
7.0.90.0600.00714.29
7.0.80.0630.00714.55
7.0.70.0430.01014.49
7.0.60.0500.01314.15
7.0.50.0430.00714.45
7.0.40.0530.01014.55
7.0.30.0400.01714.42
7.0.20.0070.01014.42
7.0.10.1300.01314.61
7.0.00.0000.01714.50

preferences:
34.26 ms | 400 KiB | 5 Q