3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = pack('c*', -22); $testU = pack('C*', 234); echo $test; echo $testU; echo $test == $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)
8.3.70.0120.00316.63
8.3.60.0110.00418.18
8.3.50.0090.00618.04
8.3.40.0070.00718.54
8.3.30.0000.01418.64
8.3.20.0040.00418.85
8.3.10.0030.00619.12
8.3.00.0050.00323.66
8.2.190.0120.00316.58
8.2.180.0090.01218.29
8.2.170.0040.01522.96
8.2.160.0030.01022.16
8.2.150.0000.00724.18
8.2.140.0000.00824.66
8.2.130.0000.00819.70
8.2.120.0070.00026.35
8.2.110.0070.00320.50
8.2.100.0000.01117.91
8.2.90.0080.00017.63
8.2.80.0050.00318.78
8.2.70.0030.00518.00
8.2.60.0080.00017.93
8.2.50.0030.00518.10
8.2.40.0000.00819.43
8.2.30.0030.00319.51
8.2.20.0040.00418.10
8.2.10.0040.00417.98
8.2.00.0030.00519.29
8.1.280.0110.00725.92
8.1.270.0050.00323.99
8.1.260.0050.00326.35
8.1.250.0090.00028.09
8.1.240.0000.00923.94
8.1.230.0090.00320.61
8.1.220.0030.00617.74
8.1.210.0000.00818.77
8.1.200.0000.00817.23
8.1.190.0040.00417.13
8.1.180.0060.00318.10
8.1.170.0040.00418.44
8.1.160.0040.00418.93
8.1.150.0000.00718.87
8.1.140.0000.00717.62
8.1.130.0040.00418.91
8.1.120.0030.00317.44
8.1.110.0030.00617.44
8.1.100.0040.00417.41
8.1.90.0040.00417.46
8.1.80.0000.00717.43
8.1.70.0050.00217.46
8.1.60.0060.00317.61
8.1.50.0000.00817.45
8.1.40.0070.00017.39
8.1.30.0000.00817.66
8.1.20.0070.00317.63
8.1.10.0000.00717.45
8.1.00.0000.00817.40
8.0.300.0040.00419.50
8.0.290.0000.00816.75
8.0.280.0030.00318.43
8.0.270.0000.00717.15
8.0.260.0000.00617.16
8.0.250.0040.00416.84
8.0.240.0000.00816.91
8.0.230.0000.00716.84
8.0.220.0070.00016.81
8.0.210.0070.00016.79
8.0.200.0030.00316.94
8.0.190.0000.00816.94
8.0.180.0040.00416.86
8.0.170.0040.00416.88
8.0.160.0040.00416.71
8.0.150.0040.00416.65
8.0.140.0000.00716.77
8.0.130.0030.00313.23
8.0.120.0040.00416.79
8.0.110.0040.00416.77
8.0.100.0000.00816.79
8.0.90.0000.00716.83
8.0.80.0100.00816.74
8.0.70.0040.00416.65
8.0.60.0030.00516.64
8.0.50.0040.00416.75
8.0.30.0110.00916.96
8.0.20.0160.00417.40
8.0.10.0000.00816.89
8.0.00.0120.00916.76
7.4.330.0000.00515.55
7.4.320.0030.00316.51
7.4.300.0060.00016.57
7.4.290.0000.00816.59
7.4.280.0000.00816.45
7.4.270.0000.00616.49
7.4.260.0080.00016.47
7.4.250.0030.00316.47
7.4.240.0080.00016.50
7.4.230.0070.00016.36
7.4.220.0040.00416.63
7.4.210.0040.01216.63
7.4.200.0030.00316.34
7.4.160.0120.00416.37
7.4.140.0110.00717.86
7.4.130.0060.01216.63
7.4.120.0110.00816.48
7.4.110.0100.00616.69
7.4.100.0090.01216.57
7.4.90.0030.01916.43
7.4.80.0130.00919.39
7.4.70.0090.00916.58
7.4.60.0070.01116.56
7.4.50.0090.00516.28
7.4.40.0110.00716.46
7.4.00.0030.01314.81
7.3.330.0000.00513.11
7.3.320.0000.00513.02
7.3.310.0000.00716.03
7.3.300.0030.00316.17
7.3.290.0000.00716.02
7.3.280.0100.00816.20
7.3.260.0120.00516.32
7.3.240.0090.00816.39
7.3.230.0090.00916.24
7.3.210.0100.00716.49
7.3.200.0090.00616.39
7.3.190.0100.01316.58
7.3.180.0110.00716.37
7.3.170.0080.01316.19
7.3.160.0120.00616.49
7.3.10.0100.00316.61
7.3.00.0030.01016.61
7.2.330.0110.00716.43
7.2.320.0040.01416.62
7.2.310.0080.01016.32
7.2.300.0120.00316.34
7.2.290.0030.01816.65
7.2.130.0030.01316.89
7.2.120.0110.00616.84
7.2.110.0060.00916.87
7.2.100.0030.01016.58
7.2.90.0030.00616.73
7.2.80.0060.00916.82
7.2.70.0040.01116.83
7.2.60.1710.00615.86
7.2.50.1330.00715.96
7.2.40.1480.00816.25
7.2.30.1240.00716.12
7.2.20.1140.00816.08
7.2.10.1180.01016.13
7.2.00.1480.01115.89
7.1.250.0030.01015.75
7.1.240.0100.00015.88
7.1.230.0000.01015.72
7.1.220.0060.00315.93
7.1.210.0000.01715.82
7.1.200.0040.00915.54
7.1.190.0000.00915.62
7.1.180.0000.00815.61
7.1.170.1440.00814.73
7.1.160.1400.00916.41
7.1.150.0900.00616.34
7.1.140.0910.00816.37
7.1.130.1190.01116.18
7.1.120.1470.00816.24
7.1.110.1540.01016.02
7.1.100.1440.01016.01
7.1.90.1470.01015.98
7.1.80.1330.00616.06
7.1.70.1280.00715.57
7.1.60.1540.01024.48
7.1.50.1170.01224.31
7.1.40.0970.01424.01
7.1.30.1190.01024.25
7.1.20.1160.01324.31
7.1.10.0880.01115.15
7.1.00.0940.00615.29
7.0.330.0130.00015.35
5.6.380.0060.00914.50

preferences:
58.21 ms | 401 KiB | 5 Q