3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (phpversion() != '7.0.0') { die; } $ids = []; for($i=0; $i<100000; $i++) { $time = time(); $randomString1 = bin2hex(random_bytes(20)); $randomString2 = bin2hex(random_bytes(10)); $ids[] = md5($time.$randomString1.$randomString2); } $a = array_count_values($ids); asort($a); var_dump( key($a) );

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)
7.4.10.0090.00915.03
7.4.00.0130.00314.82
7.3.130.0000.01814.92
7.3.120.0100.00714.93
7.3.110.0090.00914.93
7.3.100.0120.00414.72
7.3.90.0090.00614.86
7.3.80.0040.00814.53
7.3.70.0060.00914.73
7.3.60.0040.01414.88
7.3.50.0110.00414.82
7.3.40.0090.00014.47
7.3.30.0040.00914.56
7.3.20.0030.01016.44
7.3.10.0040.00816.41
7.3.00.0120.00616.61
7.2.260.0030.01215.24
7.2.250.0070.01015.16
7.2.240.0060.01014.96
7.2.230.0030.01215.07
7.2.220.0100.00314.81
7.2.210.0040.01114.79
7.2.200.0040.00815.00
7.2.190.0130.00314.79
7.2.180.0120.00014.68
7.2.170.0030.00915.02
7.2.160.0100.00715.09
7.2.150.0060.00516.72
7.2.140.0070.00316.70
7.2.130.0000.01816.90
7.2.120.0070.00717.02
7.2.110.0060.00616.71
7.2.100.0140.00016.64
7.2.90.0110.00316.63
7.2.80.0040.00716.63
7.2.70.0030.00616.73
7.2.60.0080.00616.66
7.2.50.0060.00916.88
7.2.40.0090.00616.59
7.2.30.0070.00716.93
7.2.20.0070.00316.89
7.2.10.0060.00916.66
7.2.00.0020.01117.92
7.1.330.0100.00315.80
7.1.320.0080.00615.70
7.1.310.0100.00315.50
7.1.300.0120.00415.78
7.1.290.0090.00315.87
7.1.280.0060.00615.53
7.1.270.0030.01015.57
7.1.260.0090.00615.81
7.1.250.0060.00315.85
7.1.240.0100.00315.50
7.1.230.0040.01115.71
7.1.220.0030.00715.87
7.1.210.0030.00915.79
7.1.200.0050.00715.70
7.1.190.0100.00315.72
7.1.180.0040.01215.85
7.1.170.0080.00315.85
7.1.160.0120.00015.71
7.1.150.0140.00015.53
7.1.140.0040.01115.53
7.1.130.0040.00815.84
7.1.120.0080.00815.78
7.1.110.0060.00615.66
7.1.100.0020.01116.99
7.1.90.0090.00615.80
7.1.80.0050.00515.66
7.1.70.0000.01216.40
7.1.60.0110.00817.64
7.1.50.0030.01216.19
7.1.40.0030.00715.70
7.1.30.0070.00715.88
7.1.20.0070.01115.46
7.1.10.0030.01415.64
7.1.00.0040.04419.13
7.0.330.0000.01315.32
7.0.320.0070.01015.15
7.0.310.0030.00915.48
7.0.300.0060.00815.16
7.0.290.0040.01215.38
7.0.280.0110.00315.32
7.0.270.0000.01015.31
7.0.260.0100.00315.36
7.0.250.0070.00715.53
7.0.240.0060.00615.47
7.0.230.0060.00315.21
7.0.220.0030.01015.40
7.0.210.0040.00415.35
7.0.200.0030.00815.92
7.0.190.0000.01015.35
7.0.180.0110.00315.43
7.0.170.0000.01515.39
7.0.160.0100.00715.39
7.0.150.0070.00715.51
7.0.140.0090.00615.24
7.0.130.0040.00415.29
7.0.120.0040.00815.30
7.0.110.0100.00315.28
7.0.100.0060.00315.32
7.0.90.0140.02317.64
7.0.80.0220.01717.72
7.0.70.0230.04117.55
7.0.60.0290.03917.76
7.0.50.0170.02517.78
7.0.40.0100.03016.84
7.0.30.0020.05316.68
7.0.20.0030.04816.77
7.0.10.0100.04516.68
7.0.00.3730.20625.38
5.6.400.0070.00714.20
5.6.390.0000.00814.43
5.6.380.0060.00914.61
5.6.370.0030.01014.08
5.6.360.0030.00614.16
5.6.350.0000.01114.57
5.6.340.0090.00614.44
5.6.330.0040.00714.71
5.6.320.0030.01014.50
5.6.310.0100.00613.98
5.6.300.0070.00714.55
5.6.290.0000.01213.98
5.6.280.0020.02317.54
5.6.270.0070.00314.09
5.6.260.0060.00914.46
5.6.250.0030.01314.25
5.6.240.0090.03717.48
5.6.230.0100.03217.38
5.6.220.0040.02417.39
5.6.210.0020.03017.38
5.6.200.0100.02617.60
5.6.190.0070.02317.63
5.6.180.0050.04917.48
5.6.170.0130.04317.62
5.6.160.0030.02517.75
5.6.150.0100.03917.63
5.6.140.0110.04517.57
5.6.130.0110.03017.78
5.6.120.0080.04017.65
5.6.110.0030.03017.65
5.6.100.0070.02517.78
5.6.90.0050.03517.72
5.6.80.0070.01817.39
5.6.70.0050.04117.41
5.6.60.0050.02217.40
5.6.50.0080.04217.29
5.6.40.0130.03817.21
5.6.30.0050.04017.28
5.6.20.0050.04717.28
5.6.10.0030.02617.15
5.6.00.0100.01817.24
5.5.380.0130.03717.19
5.5.370.0050.04317.35
5.5.360.0040.03217.27
5.5.350.0080.04317.27
5.5.340.0080.02617.64
5.5.330.0090.03517.56
5.5.320.0070.05017.37
5.5.310.0100.03217.33
5.5.300.0030.03117.43
5.5.290.0050.04517.37
5.5.280.0060.03817.46
5.5.270.0080.04517.44
5.5.260.0120.04517.46
5.5.250.0100.04117.42
5.5.240.0070.02317.13
5.5.230.0080.04017.22
5.5.220.0150.04016.98
5.5.210.0070.04117.16
5.5.200.0050.04317.23
5.5.190.0050.02517.17
5.5.180.0100.03817.24
5.5.170.0110.00014.25
5.5.160.0030.02117.13
5.5.150.0050.04417.30
5.5.140.0050.04516.89
5.5.130.0060.04117.24
5.5.120.0090.02716.98
5.5.110.0080.02417.23
5.5.100.0080.01817.11
5.5.90.0100.03317.03
5.5.80.0060.03617.14
5.5.70.0060.03117.09
5.5.60.0080.04017.17
5.5.50.0050.03117.23
5.5.40.0030.04616.97
5.5.30.0080.04117.12
5.5.20.0050.04317.10
5.5.10.0080.01916.98
5.5.00.0070.04317.00

preferences:
36.67 ms | 400 KiB | 5 Q