3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = rtrim(base64_encode(rtrim(pack('E', 1.2), "\x00")), '='); var_dump($i); var_dump(unpack('E', str_pad(base64_decode($i), 8, "\x00")));

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)
8.5.10.0080.01120.18
8.5.00.0100.01119.86
8.4.150.0020.00014.05
8.4.140.0090.01217.50
8.4.130.0110.01017.83
8.4.120.0110.00923.90
8.4.110.0100.01118.95
8.4.100.0120.00917.57
8.4.90.0150.00517.53
8.4.80.0110.00819.40
8.4.70.0100.00617.61
8.4.60.0110.00923.84
8.4.50.0110.00919.40
8.4.40.0130.00620.23
8.4.30.0070.00718.73
8.4.20.0120.00625.96
8.4.10.0090.00023.83
8.3.280.0070.01318.32
8.3.270.0130.00716.62
8.3.260.0070.00916.17
8.3.250.0120.00718.97
8.3.240.0110.00716.37
8.3.230.0140.00616.41
8.3.220.0070.00116.39
8.3.210.0120.00718.46
8.3.200.0050.00416.45
8.3.190.0050.00317.03
8.3.180.0080.01116.46
8.3.170.0150.00318.90
8.3.160.0110.00716.54
8.3.150.0110.00718.89
8.3.140.0040.00416.45
8.3.130.0000.00816.54
8.3.120.0090.00020.69
8.3.110.0080.00016.37
8.3.100.0030.00516.47
8.3.90.0040.00420.19
8.3.80.0070.00418.31
8.3.70.0160.00616.63
8.3.60.0030.01416.50
8.3.50.0090.01216.36
8.3.40.0070.01020.22
8.3.30.0040.01118.54
8.3.20.0070.00024.18
8.3.10.0000.00724.66
8.3.00.0030.00526.16
8.2.290.0060.00418.90
8.2.280.0090.00618.32
8.2.270.0160.00318.79
8.2.260.0100.00618.52
8.2.250.0030.00616.43
8.2.240.0050.00316.48
8.2.230.0140.00720.94
8.2.220.0030.00624.06
8.2.210.0040.00426.77
8.2.200.0090.00016.63
8.2.190.0070.00716.58
8.2.180.0070.01418.16
8.2.170.0130.00318.96
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0050.00226.16
8.2.110.0000.01020.47
8.2.100.0130.00317.76
8.2.90.0080.00019.17
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0040.00417.91
8.2.50.0030.00618.10
8.2.40.0000.00820.42
8.2.30.0000.00717.83
8.2.20.0070.00019.18
8.2.10.0000.00818.06
8.2.00.0000.00819.46
8.1.330.0120.00815.97
8.1.320.0120.00816.01
8.1.310.0040.00418.29
8.1.300.0120.00817.89
8.1.290.0060.00318.88
8.1.280.0110.00425.92
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0060.00322.04
8.1.230.0080.00317.70
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0000.00917.13
8.1.190.0080.00017.10
8.1.180.0080.00018.10
8.1.170.0000.00918.52
8.1.160.0000.00822.15
8.1.150.0000.00818.54
8.1.140.0040.00417.38
8.1.130.0080.00019.23
8.1.120.0080.00019.22
8.1.110.0030.00617.55
8.1.100.0040.00419.22
8.1.90.0030.00519.27
8.1.80.0060.00319.11
8.1.70.0030.00619.14
8.1.60.0060.00317.43
8.1.50.0000.00917.49
8.1.40.0000.00817.58
8.1.30.0050.00317.54
8.1.20.0030.00619.36
8.1.10.0080.00017.50
8.1.00.0040.00417.41
8.0.300.0080.00318.77
8.0.290.0040.00416.75
8.0.280.0030.00318.47
8.0.270.0000.00717.10
8.0.260.0040.00418.52
8.0.250.0040.00418.60
8.0.240.0040.00416.72
8.0.230.0050.00316.77
8.0.220.0050.00316.81
8.0.210.0090.00016.68
8.0.200.0030.00516.79
8.0.190.0000.00716.64
8.0.180.0030.00516.72
8.0.170.0040.00416.76
8.0.160.0000.00816.77
8.0.150.0040.00416.71
8.0.140.0080.00016.64
8.0.130.0040.00416.78
8.0.120.0040.00416.74
8.0.110.0040.00416.82
8.0.100.0080.00018.55
8.0.90.0050.00216.65
8.0.80.0040.00416.82
8.0.70.0000.00716.66
8.0.60.0000.00716.62
8.0.50.0000.00716.65
8.0.30.0030.00616.79
8.0.20.0000.00716.73
8.0.10.0000.00816.88

preferences:
111.61 ms | 403 KiB | 5 Q