3v4l.org

run code in 300+ PHP versions simultaneously
<?php $current = null; $count = 0; while ($current !== 0) { $count++; $bytes = openssl_random_pseudo_bytes(2); $current = unpack("S", $bytes); var_dump($current); } var_dump($count);

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)
8.3.60.0140.00718.30
8.3.50.0090.01221.79
8.3.40.0040.01118.79
8.3.30.0000.01419.09
8.3.20.0050.00320.29
8.3.10.0040.00420.40
8.3.00.0060.00319.26
8.2.180.0070.00725.92
8.2.170.0090.00618.74
8.2.160.0070.00722.96
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0070.00022.28
8.2.110.0060.00319.28
8.2.100.0080.00417.50
8.2.90.0050.00319.22
8.2.80.0040.00417.97
8.2.70.0050.00517.63
8.2.60.0060.00317.92
8.2.50.0080.00018.07
8.2.40.0030.00518.22
8.2.30.0040.00418.07
8.2.20.0050.00217.55
8.2.10.0050.00318.06
8.2.00.0060.00317.81
8.1.280.0090.01225.92
8.1.270.0080.00024.02
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0070.00322.19
8.1.230.0120.00017.42
8.1.220.0000.00717.76
8.1.210.0050.00318.77
8.1.200.0060.00317.10
8.1.190.0030.00616.98
8.1.180.0070.00318.10
8.1.170.0040.00418.59
8.1.160.0050.00322.04
8.1.150.0030.00518.70
8.1.140.0040.00417.39
8.1.130.0070.00017.82
8.1.120.0050.00217.43
8.1.110.0000.00717.29
8.1.100.0000.00817.30
8.1.90.0000.00717.37
8.1.80.0050.00217.38
8.1.70.0000.00717.27
8.1.60.0040.00417.40
8.1.50.0030.00517.55
8.1.40.0040.00417.52
8.1.30.0000.00817.54
8.1.20.0050.00317.67
8.1.10.0000.00817.54
8.1.00.0090.00317.41
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0030.00318.44
8.0.270.0030.00317.20
8.0.260.0040.00417.25
8.0.250.0030.00317.02
8.0.240.0000.00816.98
8.0.230.0030.00317.01
8.0.220.0000.00916.78
8.0.210.0080.00016.80
8.0.200.0000.00617.01
8.0.190.0030.00716.98
8.0.180.0090.00016.87
8.0.170.0060.00316.91
8.0.160.0070.00016.89
8.0.150.0000.00716.86
8.0.140.0000.00716.82
8.0.130.0060.00013.38
8.0.120.0000.00816.83
8.0.110.0070.00016.93
8.0.100.0050.00216.78
8.0.90.0040.00416.89
8.0.80.0030.01716.92
8.0.70.0030.00516.82
8.0.60.0050.00316.77
8.0.50.0050.00216.84
8.0.30.0080.01016.93
8.0.20.0090.01117.40
8.0.10.0000.00816.84
8.0.00.0090.00816.68
7.4.330.0000.00515.07
7.4.320.0030.00316.50
7.4.300.0060.00016.40
7.4.290.0030.00316.41
7.4.280.0070.00016.62
7.4.270.0030.00316.61
7.4.260.0030.00416.58
7.4.250.0000.00816.48
7.4.240.0030.00316.54
7.4.230.0000.00716.68
7.4.220.0030.01416.44
7.4.210.0070.00716.44
7.4.200.0030.00316.54
7.4.160.0030.01316.69
7.4.150.0070.01017.40
7.4.140.0090.00817.86
7.4.130.0110.00516.57
7.4.120.0140.00416.60
7.4.110.0050.01116.66
7.4.100.0220.00316.45
7.4.90.0120.01116.54
7.4.80.0150.00619.39
7.4.70.0030.01916.56
7.4.60.0060.01016.51
7.4.50.0000.00716.69
7.4.40.0060.01016.52
7.4.30.0070.01016.48
7.4.00.0030.01315.13
7.3.330.0050.00013.16
7.3.320.0020.00213.16
7.3.310.0040.00416.18
7.3.300.0030.00316.31
7.3.290.0060.00916.28
7.3.280.0120.00616.33
7.3.270.0100.01317.40
7.3.260.0070.01416.29
7.3.250.0130.00316.36
7.3.240.0130.00316.29
7.3.230.0090.01516.39
7.3.210.0070.01416.58
7.3.200.0070.01619.39
7.3.190.0040.01316.50
7.3.180.0090.00616.31
7.3.170.0060.01216.38
7.3.160.0120.00616.45
7.3.120.0030.01414.83
7.3.110.0060.01014.95
7.3.100.0080.00414.84
7.3.90.0100.01015.10
7.3.80.0090.00614.93
7.3.70.0060.00614.93
7.3.60.0060.00914.70
7.3.50.0040.01214.47
7.3.40.0060.00614.90
7.3.30.0080.00414.97
7.3.20.0080.00816.82
7.3.10.0090.00316.68
7.3.00.0120.00316.69
7.2.330.0090.00916.54
7.2.320.0150.00716.53
7.2.310.0030.01316.59
7.2.300.0160.00016.54
7.2.290.0150.00016.59
7.2.250.0100.01014.95
7.2.240.0040.01515.13
7.2.230.0000.01615.17
7.2.220.0030.00914.86
7.2.210.0040.01215.12
7.2.200.0080.00415.02
7.2.190.0000.01814.89
7.2.180.0140.00014.88
7.2.170.0110.00415.13
7.2.00.0030.02119.39
7.1.330.0070.00715.80
7.1.320.0070.00415.76
7.1.310.0090.00915.50
7.1.300.0030.01015.55
7.1.290.0000.01215.46
7.1.280.0040.00815.64
7.1.270.0000.01415.61
7.1.260.0040.01115.76
7.1.70.0070.01617.16
7.1.60.0140.01819.32
7.1.50.0200.02017.20
7.0.200.0070.01117.00

preferences:
43.35 ms | 401 KiB | 5 Q