3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = pack('c*', -22); $testU = pack('C*', 234); echo $test; echo $testU;

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)
8.3.60.0070.00718.43
8.3.50.0160.00016.39
8.3.40.0090.00918.57
8.3.30.0150.00018.55
8.3.20.0040.00418.89
8.3.10.0080.00020.92
8.3.00.0070.00023.48
8.2.180.0150.00618.26
8.2.170.0070.00722.96
8.2.160.0030.01022.21
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00219.82
8.2.120.0040.00426.35
8.2.110.0130.00017.93
8.2.100.0060.00617.72
8.2.90.0000.00917.75
8.2.80.0000.00818.79
8.2.70.0000.00818.05
8.2.60.0040.00418.04
8.2.50.0040.00418.10
8.2.40.0040.00419.30
8.2.30.0070.00019.28
8.2.20.0080.00018.15
8.2.10.0000.00718.04
8.2.00.0050.00219.42
8.1.280.0110.00725.92
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0090.00028.09
8.1.240.0070.00323.96
8.1.230.0070.00321.03
8.1.220.0070.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00517.22
8.1.190.0090.00317.11
8.1.180.0030.00618.10
8.1.170.0080.00018.46
8.1.160.0070.00018.81
8.1.150.0070.00018.73
8.1.140.0020.00517.54
8.1.130.0040.00418.91
8.1.120.0040.00317.38
8.1.110.0000.00817.34
8.1.100.0030.00417.37
8.1.90.0070.00017.33
8.1.80.0000.00717.27
8.1.70.0070.00017.38
8.1.60.0000.00817.51
8.1.50.0000.00817.38
8.1.40.0040.00417.33
8.1.30.0000.00717.45
8.1.20.0030.00717.46
8.1.10.0000.00717.50
8.1.00.0050.00517.42
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.34
8.0.270.0080.00017.30
8.0.260.0000.00617.11
8.0.250.0030.00316.98
8.0.240.0070.00016.96
8.0.230.0000.00816.85
8.0.220.0000.00716.74
8.0.210.0070.00016.68
8.0.200.0000.00616.75
8.0.190.0000.00916.93
8.0.180.0000.00716.86
8.0.170.0030.00516.85
8.0.160.0070.00016.81
8.0.150.0040.00416.82
8.0.140.0040.00416.78
8.0.130.0000.00613.32
8.0.120.0050.00316.68
8.0.110.0000.00716.63
8.0.100.0050.00316.88
8.0.90.0000.00716.88
8.0.80.0060.01416.80
8.0.70.0000.00716.85
8.0.60.0000.00816.80
8.0.50.0040.00416.64
8.0.30.0070.01216.95
8.0.20.0140.01417.40
8.0.10.0000.00817.00
8.0.00.0120.00716.74
7.4.330.0050.00015.55
7.4.320.0000.00616.41
7.4.300.0030.00316.50
7.4.290.0000.00716.42
7.4.280.0070.00016.46
7.4.270.0050.00216.40
7.4.260.0000.00816.30
7.4.250.0000.00716.52
7.4.240.0040.00416.52
7.4.230.0030.00316.59
7.4.220.0050.00316.35
7.4.210.0090.00616.44
7.4.200.0040.00416.42
7.4.160.0090.01016.53
7.4.140.0090.00917.86
7.4.130.0110.00916.30
7.4.120.0090.01116.44
7.4.110.0090.00916.40
7.4.100.0120.00616.36
7.4.90.0100.00716.44
7.4.80.0090.00919.39
7.4.70.0110.01416.34
7.4.60.0060.01016.30
7.4.50.0060.01216.33
7.4.40.0090.01616.50
7.4.00.0030.01214.72
7.3.330.0000.00513.10
7.3.320.0050.00013.12
7.3.310.0030.00316.06
7.3.300.0000.00716.19
7.3.290.0070.00015.99
7.3.280.0110.00316.20
7.3.260.0130.00916.19
7.3.240.0070.01116.34
7.3.230.0090.00916.12
7.3.210.0140.00716.32
7.3.200.0060.00916.20
7.3.190.0130.00916.07
7.3.180.0070.01116.20
7.3.170.0090.01216.64
7.3.160.0000.01616.41
7.3.10.0050.00716.67
7.3.00.0050.00816.45
7.2.330.0180.00616.39
7.2.320.0090.00916.57
7.2.310.0150.00816.32
7.2.300.0140.00316.49
7.2.290.0060.01116.35
7.2.130.0050.00616.86
7.2.120.0040.01016.76
7.2.110.0050.00516.62
7.2.100.0050.01016.84
7.2.90.0070.00816.85
7.2.80.0050.00816.86
7.2.70.0050.00616.71
7.2.60.0850.00716.23
7.2.50.1120.00616.18
7.2.40.0680.00416.27
7.2.30.0620.00816.42
7.2.20.0590.00816.41
7.2.10.0790.00816.49
7.2.00.0770.00716.44
7.1.250.0070.00515.77
7.1.200.0060.00315.69
7.1.170.2350.00813.74
7.1.160.1550.01016.80
7.1.150.1890.01216.59
7.1.140.1710.01016.92
7.1.130.2440.00916.76
7.1.120.2430.01216.79
7.1.110.2450.00915.93
7.1.100.3040.01516.13
7.1.90.2460.01116.16
7.1.80.2490.00916.35
7.1.70.2820.00915.18
7.1.60.2940.01233.25
7.1.50.2940.01432.61
7.1.40.2830.01632.53
7.1.30.3790.01132.56
7.1.20.3120.01832.57
7.1.10.3270.01114.61
7.1.00.3260.01014.85

preferences:
40.79 ms | 400 KiB | 5 Q