3v4l.org

run code in 300+ PHP versions simultaneously
<?php $n = 6553600; $b = (((0x0000FFFF & $n) << 16) + ((0xFFFF0000 & $n) >> 16)); echo $b; echo "\n";

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)
8.3.60.0140.00718.15
8.3.50.0090.00616.38
8.3.40.0040.01118.85
8.3.30.0070.00718.46
8.3.20.0040.00420.18
8.3.10.0080.00023.48
8.3.00.0040.00419.68
8.2.180.0100.01016.63
8.2.170.0070.00722.96
8.2.160.0070.00718.89
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00019.44
8.2.120.0080.00026.35
8.2.110.0070.00322.12
8.2.100.0080.00417.91
8.2.90.0040.00419.04
8.2.80.0040.00417.97
8.2.70.0020.00717.63
8.2.60.0000.00717.80
8.2.50.0050.00318.10
8.2.40.0040.00420.59
8.2.30.0070.00019.32
8.2.20.0030.00518.05
8.2.10.0070.00018.11
8.2.00.0050.00218.10
8.1.280.0110.00325.92
8.1.270.0040.00422.04
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0060.00323.79
8.1.230.0040.00719.10
8.1.220.0030.00617.78
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0030.00617.10
8.1.180.0000.00718.10
8.1.170.0050.00318.59
8.1.160.0000.00719.00
8.1.150.0000.00818.77
8.1.140.0000.00719.55
8.1.130.0030.00318.80
8.1.120.0040.00317.28
8.1.110.0060.00317.32
8.1.100.0030.00517.32
8.1.90.0050.00317.26
8.1.80.0040.00417.39
8.1.70.0030.00317.39
8.1.60.0000.00817.57
8.1.50.0040.00417.52
8.1.40.0040.00417.46
8.1.30.0040.00417.57
8.1.20.0050.00317.47
8.1.10.0040.00417.55
8.1.00.0000.00717.40
8.0.300.0000.00818.77
8.0.290.0000.00816.61
8.0.280.0070.00018.43
8.0.270.0000.00717.26
8.0.260.0000.00716.82
8.0.250.0000.00716.98
8.0.240.0040.00416.84
8.0.230.0000.00716.90
8.0.220.0000.00616.76
8.0.210.0060.00016.76
8.0.200.0000.00716.86
8.0.190.0040.00416.79
8.0.180.0000.00716.88
8.0.170.0000.00716.75
8.0.160.0030.00516.80
8.0.150.0040.00416.71
8.0.140.0080.00016.66
8.0.130.0060.00013.25
8.0.120.0080.00016.78
8.0.110.0000.00816.77
8.0.100.0000.00716.61
8.0.90.0000.00716.80
8.0.80.0120.01216.78
8.0.70.0040.00416.85
8.0.60.0050.00316.71
8.0.50.0040.00416.66
8.0.30.0130.01116.87
8.0.20.0090.01117.40
8.0.10.0050.00316.71
8.0.00.0120.00616.56
7.4.330.0000.00615.55
7.4.320.0060.00016.44
7.4.300.0030.00316.49
7.4.290.0030.00616.40
7.4.280.0040.00416.45
7.4.270.0050.00216.41
7.4.260.0000.00716.49
7.4.250.0070.00016.48
7.4.240.0030.00416.34
7.4.230.0000.00716.43
7.4.220.0140.00316.51
7.4.210.0070.00716.51
7.4.200.0070.00016.51
7.4.160.0060.00916.32
7.4.150.0160.00317.40
7.4.140.0050.01317.86
7.4.130.0120.00616.56
7.4.120.0120.00816.33
7.4.110.0130.00416.52
7.4.100.0140.00816.40
7.4.90.0030.01316.33
7.4.80.0070.01019.39
7.4.70.0150.00316.47
7.4.60.0110.00616.47
7.4.50.0060.01016.17
7.4.40.0070.01016.41
7.4.30.0110.00716.36
7.4.00.0030.01415.01
7.3.330.0060.00013.18
7.3.320.0020.00213.01
7.3.310.0000.00716.35
7.3.300.0070.00016.29
7.3.290.0090.00616.24
7.3.280.0080.00916.27
7.3.270.0150.00917.40
7.3.260.0130.00416.28
7.3.250.0120.01016.30
7.3.240.0130.00816.39
7.3.230.0100.00916.45
7.3.210.0080.00816.48
7.3.200.0090.00916.26
7.3.190.0070.01116.43
7.3.180.0100.00716.25
7.3.170.0050.01116.36
7.3.160.0060.00916.24
7.3.10.0120.00316.60
7.3.00.0090.00416.67
7.2.330.0060.01116.51
7.2.320.0070.01616.63
7.2.310.0040.01216.43
7.2.300.0110.00616.32
7.2.290.0150.00616.58
7.2.130.0060.00816.96
7.2.120.0060.00816.64
7.2.110.0080.00716.55
7.2.100.0050.01216.57
7.2.90.0050.00816.92
7.2.80.0080.00416.84
7.2.70.0070.00916.87
7.2.60.0310.01016.17
7.2.50.0050.00716.83
7.2.40.0090.00416.91
7.2.30.0070.00716.90
7.2.20.0040.01216.82
7.2.10.0080.00716.72
7.2.00.0080.00417.59
7.1.250.0030.01015.58
7.1.240.0030.00915.62
7.1.230.0040.00415.84
7.1.220.0060.00615.46
7.1.210.0070.00315.90
7.1.200.0020.00715.77
7.1.190.0000.00915.48
7.1.180.0100.00615.80
7.1.170.0080.00815.66
7.1.160.0030.00615.79
7.1.150.0030.01015.73
7.1.140.0070.01015.85
7.1.130.0070.00315.80
7.1.120.0000.01615.85
7.1.110.0100.00715.64
7.1.100.0050.01117.03
7.1.90.0060.00315.91
7.1.80.0100.00015.80
7.1.70.0060.01116.22
7.1.60.0190.00725.28
7.1.50.0220.01125.21
7.1.40.0100.01525.09
7.1.30.0160.00825.09
7.1.20.0160.00825.21
7.1.10.0120.01216.18
7.1.00.0080.00516.13
7.0.330.0030.00515.52
7.0.320.0030.01015.04
7.0.310.0110.00415.35
7.0.300.0070.01015.16
7.0.290.0030.00615.29
7.0.280.0100.00315.05
7.0.270.0040.01115.11
7.0.260.0110.00415.50
7.0.250.0060.00915.57
7.0.240.0030.01015.20
7.0.230.0110.00415.59
7.0.220.0070.00715.23
7.0.210.0000.00915.51
7.0.200.0080.01015.96
7.0.190.0140.00416.01
7.0.180.0040.01215.85
7.0.170.0050.01015.78
7.0.160.0110.00515.73
7.0.150.0130.00615.67
7.0.140.0100.00516.05
7.0.130.0010.01115.87
7.0.120.0030.01115.95
7.0.110.0030.01415.70
7.0.100.0050.01115.86
7.0.90.0110.00415.79
7.0.80.0050.01015.85
7.0.70.0030.01115.81
7.0.60.0080.00815.81
7.0.50.0030.01015.80
7.0.40.0080.00814.71
7.0.30.0030.00915.05
7.0.20.0060.00814.95
7.0.10.0090.00514.97
7.0.00.0060.00915.05
5.6.380.0000.01314.21

preferences:
36.39 ms | 401 KiB | 5 Q