3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump($a=-2147483648, bin2hex($b=pack("i", $a)), unpack("i", $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)
8.4.120.0070.01322.13
8.4.110.0100.01120.50
8.4.100.0050.00517.52
8.4.90.0120.00917.54
8.4.80.0050.00417.67
8.4.70.0060.00217.58
8.4.60.0070.01218.91
8.4.50.0040.00419.44
8.4.40.0060.00317.64
8.4.30.0090.00920.24
8.4.20.0110.00919.71
8.4.10.0100.01017.70
8.3.250.0060.01018.98
8.3.240.0090.01016.48
8.3.230.0080.01016.22
8.3.220.0080.01016.72
8.3.210.0060.00616.65
8.3.200.0040.00416.52
8.3.190.0120.00717.11
8.3.180.0110.00216.56
8.3.170.0070.01116.80
8.3.160.0160.00318.19
8.3.150.0150.00020.85
8.3.140.0070.01118.49
8.3.130.0140.00416.63
8.3.120.0110.00718.64
8.3.110.0060.00320.94
8.3.100.0090.00024.06
8.3.90.0070.00726.77
8.3.80.0070.00416.75
8.3.70.0090.00616.58
8.3.60.0140.00316.63
8.3.50.0130.00318.13
8.3.40.0170.00020.47
8.3.30.0030.01418.38
8.3.20.0040.00424.18
8.3.10.0030.00524.66
8.3.00.0050.00326.16
8.2.290.0060.00218.71
8.2.280.0020.00718.20
8.2.270.0120.00616.98
8.2.260.0090.00919.92
8.2.250.0060.00318.48
8.2.240.0040.00418.94
8.2.230.0060.00322.58
8.2.220.0030.00637.54
8.2.210.0110.00726.77
8.2.200.0060.00316.38
8.2.190.0140.00016.58
8.2.180.0140.00725.92
8.2.170.0090.00918.72
8.2.160.0140.00022.96
8.2.150.0050.00325.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00019.77
8.2.110.0070.00322.29
8.2.100.0110.00017.91
8.2.90.0080.00017.50
8.2.80.0080.00018.71
8.2.70.0000.00917.38
8.2.60.0080.00017.80
8.2.50.0060.00318.07
8.2.40.0030.00618.03
8.2.30.0040.00417.85
8.2.20.0030.00320.30
8.2.10.0040.00417.60
8.2.00.0000.00719.19
8.1.330.0120.00815.90
8.1.320.0090.00916.11
8.1.310.0140.00416.61
8.1.300.0150.00418.41
8.1.290.0060.00318.88
8.1.280.0030.01325.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.80
8.1.230.0070.00319.02
8.1.220.0070.00017.79
8.1.210.0000.00918.77
8.1.200.0090.00017.11
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0030.00618.46
8.1.160.0040.00418.79
8.1.150.0040.00418.47
8.1.140.0040.00417.43
8.1.130.0030.00318.73
8.1.120.0030.00517.41
8.1.110.0000.00817.38
8.1.100.0040.00417.44
8.1.90.0040.00417.39
8.1.80.0000.00917.43
8.1.70.0030.00317.36
8.1.60.0040.00417.48
8.1.50.0050.00317.34
8.1.40.0000.00817.50
8.1.30.0110.00417.52
8.1.20.0060.00417.45
8.1.10.0080.00717.34
8.1.00.0150.00517.31
8.0.300.0000.00721.50
8.0.290.0030.00616.63
8.0.280.0080.00020.18
8.0.270.0000.00717.85
8.0.260.0000.00718.29
8.0.250.0000.00716.84
8.0.240.0000.00716.89
8.0.230.0000.00816.86
8.0.220.0000.00716.84
8.0.210.0050.00316.83
8.0.200.0000.00916.90
8.0.190.0080.00016.77
8.0.180.0070.00016.92
8.0.170.0080.00016.73
8.0.160.0110.00216.78
8.0.150.0060.00816.66
8.0.140.0100.00416.72
8.0.130.0070.00716.63
8.0.120.0070.00616.77
8.0.110.0100.00416.77
8.0.100.0100.00316.72
8.0.90.0080.00516.79
8.0.80.0070.00616.70
8.0.70.0070.00616.73
8.0.60.0100.00416.82
8.0.50.0100.00316.73
8.0.30.0090.00516.72
8.0.20.0090.00416.80
8.0.10.0110.00216.85
7.4.330.0060.00015.55
7.4.320.0000.00616.52
7.4.300.0060.00016.42
7.4.290.0030.00616.21
7.4.280.0070.00616.48
7.4.270.0110.00216.47
7.4.260.0130.00216.48
7.4.250.0090.00216.38
7.4.240.0040.00716.47
7.4.230.0100.00316.45
7.4.220.0080.00416.50
7.4.210.0020.00916.51
7.4.200.0090.00216.49
7.4.190.0040.00516.53
7.4.180.0020.00816.48
7.4.160.0050.00316.54
7.4.150.0060.00516.41
7.4.140.0040.00516.24
7.4.130.0070.00216.16
7.4.120.0040.00616.35
7.4.110.0090.00316.27
7.4.100.0080.00516.39
7.4.90.0050.00616.25
7.4.80.0070.00416.17
7.4.70.0040.00516.23
7.4.60.0100.00316.29
7.4.50.0000.01216.18
7.4.40.0070.00416.17
7.4.30.0080.00316.28
7.4.20.0130.00016.23
7.4.10.0100.00216.31
7.4.00.0040.00716.21

preferences:
28.22 ms | 403 KiB | 5 Q