3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'a1'; $b = +$a; var_dump($b, (int)$a);

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)
8.3.40.0090.00618.79
8.3.30.0100.00318.68
8.3.20.0040.00420.29
8.3.10.0030.00620.80
8.3.00.0070.00018.79
8.2.170.0090.00622.96
8.2.160.0100.00320.28
8.2.150.0050.00324.18
8.2.140.0070.00024.66
8.2.130.0030.00621.19
8.2.120.0040.00426.35
8.2.110.0070.00321.19
8.2.100.0080.00317.78
8.2.90.0000.00819.08
8.2.80.0000.00917.97
8.2.70.0030.00617.61
8.2.60.0050.00317.80
8.2.50.0000.00818.10
8.2.40.0080.00020.51
8.2.30.0030.00619.29
8.2.20.0040.00417.97
8.2.10.0000.00718.13
8.2.00.0040.00418.10
8.1.270.0050.00323.96
8.1.260.0110.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00322.73
8.1.230.0040.00921.92
8.1.220.0000.00817.79
8.1.210.0060.00318.77
8.1.200.0000.00917.47
8.1.190.0030.00517.36
8.1.180.0000.00718.10
8.1.170.0000.00818.49
8.1.160.0000.00818.88
8.1.150.0080.00020.30
8.1.140.0070.00019.50
8.1.130.0030.00318.86
8.1.120.0040.00417.39
8.1.110.0040.00417.34
8.1.100.0080.00017.23
8.1.90.0000.00817.25
8.1.80.0000.00717.43
8.1.70.0000.00717.38
8.1.60.0060.00317.57
8.1.50.0120.00017.50
8.1.40.0080.00017.58
8.1.30.0000.00717.69
8.1.20.0000.00717.56
8.1.10.0040.00417.57
8.1.00.0000.00717.51
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0000.00718.45
8.0.270.0000.00717.13
8.0.260.0000.00818.82
8.0.250.0020.00517.06
8.0.240.0020.00516.92
8.0.230.0030.00316.89
8.0.220.0000.00916.83
8.0.210.0000.00716.89
8.0.200.0090.00016.88
8.0.190.0040.00416.95
8.0.180.0040.00416.95
8.0.170.0050.00216.83
8.0.160.0040.00416.97
8.0.150.0000.00716.83
8.0.140.0050.00216.91
8.0.130.0030.00313.36
8.0.120.0040.00416.77
8.0.110.0000.00716.84
8.0.100.0050.00216.91
8.0.90.0030.00516.84
8.0.80.0090.00616.91
8.0.70.0070.00016.79
8.0.60.0040.00416.77
8.0.50.0000.00716.91
8.0.30.0080.00917.05
8.0.20.0100.01017.40
8.0.10.0070.00016.81
8.0.00.0060.01316.49
7.4.330.0020.00215.55
7.4.320.0030.00316.50
7.4.300.0060.00016.52
7.4.290.0000.00716.57
7.4.280.0040.00416.41
7.4.270.0040.00416.52
7.4.260.0040.00416.58
7.4.250.0030.00316.46
7.4.240.0030.00316.51
7.4.230.0000.00716.71
7.4.220.0140.00416.64
7.4.210.0070.01116.49
7.4.200.0050.00316.49
7.4.160.0100.01116.58
7.4.150.0080.00817.40
7.4.140.0120.00917.86
7.4.130.0100.00716.57
7.4.120.0110.01016.50
7.4.110.0130.00316.38
7.4.100.0100.01016.64
7.4.90.0120.00816.41
7.4.80.0070.01019.39
7.4.70.0070.01016.60
7.4.60.0090.00916.64
7.4.50.0070.01016.68
7.4.40.0060.00916.20
7.4.30.0080.00816.61
7.4.00.0100.00614.99
7.3.330.0000.00513.00
7.3.320.0030.00313.10
7.3.310.0070.00016.40
7.3.300.0000.00616.13
7.3.290.0000.00716.16
7.3.280.0090.00716.25
7.3.270.0110.00517.40
7.3.260.0110.00716.39
7.3.250.0100.01116.31
7.3.240.0070.00916.31
7.3.230.0060.01216.43
7.3.210.0090.00616.54
7.3.200.0040.01316.23
7.3.190.0150.00616.29
7.3.180.0070.01016.52
7.3.170.0130.00316.31
7.3.160.0060.01516.31
7.3.120.0060.00814.67
7.3.110.0050.01014.91
7.3.100.0040.01214.78
7.3.90.0040.01214.80
7.3.80.0060.00514.60
7.3.70.0100.00514.69
7.3.60.0050.01014.77
7.3.50.0050.00814.62
7.3.40.0040.01114.86
7.3.30.0080.00114.76
7.3.20.0070.00716.75
7.3.10.0060.00616.65
7.3.00.0050.00816.66
7.2.330.0070.01116.60
7.2.320.0110.00716.50
7.2.310.0030.01216.19
7.2.300.0030.01316.57
7.2.290.0070.01016.36
7.2.250.0110.00415.05
7.2.240.0050.01114.76
7.2.230.0050.00715.04
7.2.220.0030.00814.63
7.2.210.0080.00514.74
7.2.200.0050.01214.91
7.2.190.0060.00614.94
7.2.180.0100.00514.82
7.2.170.0040.01215.00
7.2.160.0000.01414.81
7.2.150.0110.00416.70
7.2.140.0070.00316.81
7.2.130.0020.01116.84
7.2.120.0020.01016.71
7.2.110.0040.01016.75
7.2.100.0050.00716.60
7.2.90.0060.00616.58
7.2.80.0030.01216.86
7.2.70.0070.00416.72
7.2.60.0080.00516.63
7.2.50.0060.00716.80
7.2.40.0040.01016.74
7.2.30.0070.00916.69
7.2.20.0040.00916.92
7.2.10.0050.00516.61
7.2.00.0030.00916.72
7.1.330.0110.00215.64
7.1.320.0090.00615.58
7.1.310.0080.00615.78
7.1.300.0110.00315.66
7.1.290.0030.00915.82
7.1.280.0040.01015.85
7.1.270.0070.00215.73
7.1.260.0050.00715.69
7.1.250.0100.00215.68
7.1.200.0040.01115.74
7.1.90.0070.00717.86
7.1.80.0890.00316.15
7.1.70.0610.00715.15
7.1.60.0720.00733.11
7.1.50.0190.01034.65
7.1.40.0550.01634.39
7.1.30.0130.01634.34
7.1.20.0130.01334.44
7.1.10.0030.01016.58
7.1.00.0030.01116.51
7.0.230.0750.00317.74
7.0.220.0090.00517.81
7.0.210.0650.00316.29
7.0.200.0030.00916.83
7.0.190.0650.00314.74
7.0.180.0420.01516.15
7.0.170.0000.01216.24
7.0.160.0080.00516.16
7.0.150.0030.00916.18
7.0.140.0070.00716.38
7.0.130.0040.00916.39
7.0.120.0120.00016.55
7.0.110.0100.00316.20
7.0.100.0030.01316.28
7.0.90.0000.01316.18
7.0.80.0000.01316.22
7.0.70.0060.00616.20
7.0.60.0000.01316.21
7.0.50.0120.00016.46
7.0.40.0040.00816.64
7.0.30.0000.01316.64
7.0.20.0000.01516.34
7.0.10.0000.01216.12
7.0.00.0030.01016.27

preferences:
51.58 ms | 400 KiB | 5 Q