3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr(md5(uniqid()), 0, 16);

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)
7.4.00.0030.01214.90
7.3.120.0000.01214.80
7.3.110.0100.01014.60
7.3.100.0070.01014.45
7.3.90.0000.01214.47
7.3.80.0050.00514.64
7.3.70.0120.00014.44
7.3.60.0000.00814.48
7.3.50.0030.00614.78
7.3.40.0070.00714.74
7.3.30.0110.00714.46
7.3.20.0100.00316.45
7.3.10.0050.01016.57
7.3.00.0050.01016.55
7.2.250.0100.01014.55
7.2.240.0100.01314.92
7.2.230.0000.01014.88
7.2.220.0030.00714.66
7.2.210.0000.01714.96
7.2.200.0060.00915.00
7.2.190.0130.00014.83
7.2.180.0040.01214.69
7.2.170.0100.01014.54
7.2.130.0090.00616.41
7.2.120.0040.00816.71
7.2.110.0050.00916.68
7.2.100.0080.00516.84
7.2.90.0090.00916.82
7.2.80.0080.00816.78
7.2.70.0060.00916.82
7.2.60.0070.00816.58
7.2.50.0070.00916.66
7.2.40.0060.00816.46
7.2.30.0090.00316.50
7.2.20.0070.00916.59
7.2.10.0050.01016.79
7.2.00.0040.00817.25
7.1.330.0070.00715.86
7.1.320.0030.00515.29
7.1.310.0090.00615.83
7.1.300.0060.00915.51
7.1.290.0110.00315.75
7.1.280.0000.01415.73
7.1.270.0030.01015.39
7.1.260.0070.00715.41
7.1.250.0080.00815.52
7.1.240.0070.01015.77
7.1.230.0070.00715.48
7.1.220.0130.00015.59
7.1.210.0060.00315.61
7.1.200.0040.01115.65
7.1.190.0040.00815.58
7.1.180.0130.00315.68
7.1.170.0030.01015.58
7.1.160.0030.01015.59
7.1.150.0030.01015.38
7.1.140.0030.01015.61
7.1.130.0090.00615.76
7.1.120.0070.00715.43
7.1.110.0060.00615.76
7.1.100.0060.00616.90
7.1.90.0070.00715.57
7.1.80.0000.01415.41
7.1.70.0230.00415.33
7.1.60.0200.01124.18
7.1.50.0260.01124.32
7.1.40.0180.01723.97
7.1.30.0240.01623.95
7.1.20.0330.01224.22
7.1.10.0220.01014.99
7.1.00.0190.01115.15
7.0.330.0080.00715.05
7.0.320.0040.00815.03
7.0.310.0060.00614.92
7.0.300.0060.00315.21
7.0.290.0030.01015.07
7.0.280.0030.01015.34
7.0.270.0070.00715.38
7.0.260.0130.00315.29
7.0.250.0090.00615.33
7.0.240.0040.01115.46
7.0.230.0040.01215.30
7.0.220.0060.00615.26
7.0.210.0070.00715.14
7.0.200.0200.00715.06
7.0.190.0160.01215.06
7.0.180.0140.01114.72
7.0.170.0160.00814.75
7.0.160.0150.01214.68
7.0.150.0200.00814.83
7.0.140.0130.01414.78
7.0.130.0610.00714.80
7.0.120.0320.00914.80
7.0.110.0130.01214.78
7.0.100.0180.00914.87
7.0.90.0240.00914.70
7.0.80.0210.00714.88
7.0.70.0150.01014.69
7.0.60.0210.00614.69
7.0.50.0110.01214.73
7.0.40.0150.00913.90
7.0.30.0160.00713.83
7.0.20.0150.00913.85
7.0.10.0150.01014.01
7.0.00.0180.00713.71
5.6.380.0000.01414.30

preferences:
32.76 ms | 401 KiB | 5 Q