3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 2; $b = 0+""+$a; var_dump($b);

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)
8.3.60.0070.01418.56
8.3.50.0090.00617.99
8.3.40.0130.00718.82
8.3.30.0110.00418.71
8.3.20.0050.00220.38
8.3.10.0050.00320.66
8.3.00.0060.00321.51
8.2.180.0120.00316.86
8.2.170.0170.00322.96
8.2.160.0100.00722.15
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00420.93
8.2.120.0000.00726.35
8.2.110.0060.00319.26
8.2.100.0000.01217.80
8.2.90.0060.00319.28
8.2.80.0050.00317.97
8.2.70.0000.00917.50
8.2.60.0070.00017.93
8.2.50.0060.00318.09
8.2.40.0040.00422.13
8.2.30.0000.00719.33
8.2.20.0000.00717.74
8.2.10.0000.00718.11
8.2.00.0040.00418.04
8.1.280.0090.00625.92
8.1.270.0090.00922.19
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0120.00320.68
8.1.230.0090.00317.70
8.1.220.0040.00417.79
8.1.210.0040.00418.77
8.1.200.0090.00017.23
8.1.190.0020.00517.10
8.1.180.0040.00418.10
8.1.170.0060.00318.40
8.1.160.0070.00020.71
8.1.150.0060.00318.83
8.1.140.0000.00819.59
8.1.130.0100.00017.55
8.1.120.0040.00417.24
8.1.110.0070.00017.44
8.1.100.0060.00317.43
8.1.90.0030.00517.41
8.1.80.0000.00717.43
8.1.70.0040.00417.38
8.1.60.0000.00717.49
8.1.50.0050.00317.44
8.1.40.0040.00417.52
8.1.30.0040.00417.51
8.1.20.0030.00617.36
8.1.10.0080.00017.55
8.1.00.0030.00617.40
8.0.300.0000.00818.77
8.0.290.0020.00516.60
8.0.280.0000.00718.45
8.0.270.0030.00317.21
8.0.260.0030.00317.10
8.0.250.0060.00016.98
8.0.240.0000.00716.94
8.0.230.0070.00016.93
8.0.220.0000.00816.85
8.0.210.0050.00316.88
8.0.200.0030.00316.84
8.0.190.0040.00417.00
8.0.180.0000.00716.95
8.0.170.0000.00716.96
8.0.160.0060.00316.97
8.0.150.0050.00216.79
8.0.140.0000.00816.86
8.0.130.0030.00313.36
8.0.120.0080.00016.89
8.0.110.0070.00016.96
8.0.100.0000.00816.93
8.0.90.0040.00416.73
8.0.80.0060.00916.86
8.0.70.0000.00716.73
8.0.60.0040.00416.89
8.0.50.0040.00416.91
8.0.30.0110.00716.94
8.0.20.0100.00817.40
8.0.10.0000.00716.87
8.0.00.0120.00716.67
7.4.330.0000.00516.88
7.4.320.0030.00316.34
7.4.300.0060.00016.45
7.4.290.0030.00316.58
7.4.280.0040.00416.43
7.4.270.0070.00016.52
7.4.260.0070.00016.49
7.4.250.0080.00016.41
7.4.240.0000.00716.50
7.4.230.0030.00316.44
7.4.220.0060.01216.46
7.4.210.0000.01316.63
7.4.200.0030.00316.56
7.4.160.0130.00316.27
7.4.150.0070.01017.40
7.4.140.0090.00717.86
7.4.130.0120.00516.48
7.4.120.0080.00916.46
7.4.110.0080.00816.22
7.4.100.0070.01116.48
7.4.90.0100.01016.59
7.4.80.0150.01019.39
7.4.70.0110.00416.62
7.4.60.0110.00716.20
7.4.50.0060.00616.52
7.4.40.0080.01216.26
7.4.30.0090.00916.45
7.4.00.0070.01014.91
7.3.330.0020.00213.09
7.3.320.0060.00313.10
7.3.310.0000.00616.20
7.3.300.0030.00316.23
7.3.290.0110.00716.26
7.3.280.0060.01116.22
7.3.270.0060.01017.40
7.3.260.0090.00916.23
7.3.250.0070.01016.44
7.3.240.0100.00716.22
7.3.230.0070.01116.39
7.3.210.0030.01516.29
7.3.200.0090.00916.36
7.3.190.0130.00316.55
7.3.180.0120.00316.30
7.3.170.0030.01516.20
7.3.160.0060.00916.25
7.3.120.0060.01014.75
7.3.110.0070.00614.63
7.3.100.0030.00914.73
7.3.90.0030.00914.59
7.3.80.0050.00814.94
7.3.70.0070.00314.79
7.3.60.0040.00614.75
7.3.50.0010.01314.75
7.3.40.0030.01114.76
7.3.30.0050.00414.69
7.3.20.0050.00816.55
7.3.10.0040.01016.51
7.3.00.0070.00816.42
7.2.330.0180.00016.29
7.2.320.0110.00616.60
7.2.310.0070.02116.47
7.2.300.0100.01016.60
7.2.290.0120.00616.24
7.2.250.0130.00614.82
7.2.240.0100.00914.96
7.2.230.0080.00814.86
7.2.220.0060.00914.86
7.2.210.0070.00814.81
7.2.200.0070.00714.88
7.2.190.0060.00814.84
7.2.180.0080.00814.76
7.2.170.0050.01014.85
7.2.160.0030.01014.80
7.2.150.0050.00616.57
7.2.140.0030.01016.73
7.2.130.0060.01116.80
7.2.120.0040.00816.45
7.2.110.0040.00816.64
7.2.100.0070.00716.56
7.2.90.0060.00816.66
7.2.80.0080.00916.60
7.2.70.0100.00516.54
7.2.60.0060.00816.66
7.2.50.0080.00916.59
7.2.40.0070.00916.62
7.2.30.0070.00716.72
7.2.20.0100.00716.68
7.2.10.0070.01116.53
7.2.00.0090.00717.31
7.1.330.0040.00915.71
7.1.320.0030.01015.73
7.1.310.0040.01115.79
7.1.300.0040.00815.59
7.1.290.0050.00815.68
7.1.280.0110.00515.73
7.1.270.0050.00815.65
7.1.260.0040.00815.74
7.1.250.0050.00615.49
7.1.200.0080.00415.48
7.1.100.0040.00818.08
7.1.70.0000.01317.03
7.1.60.0040.01119.19
7.1.50.0000.02216.91
7.1.00.0070.07322.40
7.0.200.0260.00414.71
7.0.60.0170.06021.67
7.0.50.0070.08017.80
7.0.40.0100.04020.09
7.0.30.0230.04720.09
7.0.20.0330.07720.09
7.0.10.0030.05020.20
7.0.00.0000.05020.17
5.6.280.0030.03320.77
5.6.210.0030.04020.66
5.6.200.0100.04718.12
5.6.190.0070.06720.43
5.6.180.0430.05720.60
5.6.170.0330.07320.62
5.6.160.0170.06020.47
5.6.150.0070.08318.13
5.6.140.0100.07318.18
5.6.130.0070.08018.14
5.6.120.0070.05021.09
5.6.110.0230.07321.01
5.6.100.0200.05321.01
5.6.90.0130.07321.02
5.6.80.0100.06020.52
5.5.350.3830.04020.29
5.5.340.0070.08317.92
5.5.330.0100.06320.19
5.5.320.0330.07320.34
5.5.310.0300.07720.28
5.5.300.0030.05717.98
5.5.290.0130.06317.93
5.5.280.0100.08320.68
5.5.270.0070.06720.72
5.5.260.0070.08720.77
5.5.250.0030.08720.61
5.5.240.0170.06720.14

preferences:
53.09 ms | 400 KiB | 5 Q