3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo(substr(md5(uniqid("lolwut@gmail.com", true)),1,8)); ?>

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)
7.4.00.0080.00814.82
7.3.120.0090.00714.84
7.3.110.0050.01314.71
7.3.100.0090.00414.63
7.3.90.0070.00614.68
7.3.80.0030.01014.77
7.3.70.0040.00914.76
7.3.60.0050.00914.64
7.3.50.0070.00514.66
7.3.40.0020.01014.70
7.3.30.0050.00814.67
7.3.20.0050.00716.53
7.3.10.0080.00316.47
7.3.00.0080.00616.44
7.2.250.0090.00814.73
7.2.240.0050.01114.99
7.2.230.0050.00814.85
7.2.220.0020.01114.85
7.2.210.0050.00914.69
7.2.200.0050.00914.90
7.2.190.0020.01114.90
7.2.180.0050.00914.95
7.2.170.0060.00814.85
7.2.160.0030.00614.87
7.2.150.0090.00616.60
7.2.140.0040.01216.67
7.2.130.0060.00716.75
7.2.120.0030.01116.69
7.2.110.0060.00416.81
7.2.100.0080.00616.67
7.2.90.0040.01016.56
7.2.80.0060.00616.69
7.2.70.0030.00916.97
7.2.60.0030.01216.74
7.2.50.0080.00516.55
7.2.40.0090.00516.65
7.2.30.0050.01016.77
7.2.20.0050.00816.70
7.2.10.0060.00816.83
7.2.00.0060.00817.38
7.1.330.0030.01115.64
7.1.320.0060.00715.55
7.1.310.0060.00615.65
7.1.300.0030.00815.54
7.1.290.0090.00415.64
7.1.280.0090.00515.64
7.1.270.0080.00515.58
7.1.260.0080.00715.67
7.1.250.0050.00815.63
7.1.70.0040.00416.74
7.1.60.0130.01319.46
7.1.50.0090.00916.80
7.1.00.0030.07722.57
7.0.200.0030.00816.74
7.0.140.0000.07722.00
7.0.100.0170.02319.83
7.0.90.0070.03319.96
7.0.80.0070.03719.97
7.0.70.0070.03320.03
7.0.60.0000.03719.95
7.0.50.0100.03720.37
7.0.40.0130.03720.15
7.0.30.0100.03720.18
7.0.20.0070.04320.04
7.0.10.0030.04319.95
7.0.00.0070.04020.11
5.6.280.0000.08021.01
5.6.250.0000.04320.68
5.6.240.0070.04020.63
5.6.230.0030.04320.74
5.6.220.0070.03320.48
5.6.210.0130.03320.60
5.6.200.0100.04020.96
5.6.190.0100.03021.02
5.6.180.0130.03721.05
5.6.170.0030.04721.09
5.6.160.0130.05021.07
5.6.150.0030.08020.93
5.6.140.0130.07721.04
5.6.130.0130.07721.07
5.6.120.0130.04321.07
5.6.110.0170.08020.94
5.6.100.0100.07321.04
5.6.90.0130.06321.15
5.6.80.0170.06720.44
5.6.70.0070.05720.37
5.6.60.0070.05720.41
5.6.50.0270.05020.40
5.6.40.0170.05720.48
5.6.30.0070.07720.37
5.6.20.0100.07020.46
5.6.10.0130.06320.38
5.6.00.0070.07320.39
5.5.380.0000.03720.50
5.5.370.0000.04020.41
5.5.360.0030.04320.38
5.5.350.0070.04020.45
5.5.340.0070.04320.92
5.5.330.0070.04020.80
5.5.320.0100.04020.60
5.5.310.0100.04020.88
5.5.300.0100.08320.88
5.5.290.0100.05720.85
5.5.280.0170.07320.91
5.5.270.0070.07720.73
5.5.260.0070.06720.82
5.5.250.0070.09020.68
5.5.240.0130.07020.25
5.5.230.0130.07320.29
5.5.220.0100.07320.25
5.5.210.0030.06720.23
5.5.200.0030.06320.22
5.5.190.0070.08720.10
5.5.180.0070.08020.25
5.5.160.0030.10320.27
5.5.150.0070.08020.23
5.5.140.0070.03720.11
5.5.130.0170.06320.18
5.5.120.0100.08719.96
5.5.110.0070.08020.26
5.5.100.0070.07020.01
5.5.90.0100.08020.03
5.5.80.0100.04020.08
5.5.70.0070.07320.05
5.5.60.0000.08720.02
5.5.50.0100.07020.14
5.5.40.0070.05720.10
5.5.30.0030.09020.13
5.5.20.0070.04720.01
5.5.10.0070.06720.02
5.5.00.0070.05019.99
5.4.450.0070.08719.47
5.4.440.0030.04719.55
5.4.430.0070.07719.36
5.4.420.0000.04719.45
5.4.410.0170.06719.14
5.4.400.0130.07319.12
5.4.390.0130.06318.96
5.4.380.0070.07719.04
5.4.370.0170.06719.07
5.4.360.0130.07019.03
5.4.350.0070.05019.07
5.4.340.0100.05719.05
5.4.320.0100.07318.90
5.4.310.0070.07019.08
5.4.300.0100.07018.94
5.4.290.0070.05319.07
5.4.280.0130.07018.78
5.4.270.0070.07318.78
5.4.260.0130.07718.89
5.4.250.0030.06718.80
5.4.240.0070.04719.02
5.4.230.0070.07019.22
5.4.220.0130.07019.05
5.4.210.0070.07719.13
5.4.200.0030.08019.11
5.4.190.0100.08318.94
5.4.180.0030.04719.11
5.4.170.0100.07319.09
5.4.160.0130.06319.02
5.4.150.0030.05318.94
5.4.140.0100.05016.37
5.4.130.0100.07316.38
5.4.120.0130.05716.32
5.4.110.0030.08016.30
5.4.100.0070.04716.43
5.4.90.0070.06716.36
5.4.80.0070.07016.21
5.4.70.0100.06016.29
5.4.60.0100.06716.32
5.4.50.0100.05716.42
5.4.40.0100.07016.41
5.4.30.0100.07016.20
5.4.20.0100.06716.27
5.4.10.0100.03716.43
5.4.00.0070.06315.81
5.3.290.0070.08014.61
5.3.280.0130.04714.56
5.3.270.0130.05314.58
5.3.260.0030.06014.59
5.3.250.0070.03714.59
5.3.240.0100.03714.57
5.3.230.0170.03714.58
5.3.220.0070.04014.56
5.3.210.0070.05714.55
5.3.200.0100.07014.54
5.3.190.0170.06714.38
5.3.180.0070.07714.50
5.3.170.0030.06314.46
5.3.160.0200.06014.50
5.3.150.0100.07014.42
5.3.140.0030.05014.56
5.3.130.0000.04314.40
5.3.120.0130.06714.40
5.3.110.0030.04314.36
5.3.100.0100.08013.86
5.3.90.0070.04314.01
5.3.80.0070.07014.00
5.3.70.0070.07313.78
5.3.60.0100.04013.88
5.3.50.0100.03713.90
5.3.40.0200.06313.76
5.3.30.0130.06013.89
5.3.20.0100.05713.67
5.3.10.0070.07013.63
5.3.00.0100.06013.63
5.2.170.0070.05711.57
5.2.160.0000.06711.57
5.2.150.0030.03311.57
5.2.140.0030.05711.57
5.2.130.0070.06011.57
5.2.120.0070.06011.57
5.2.110.0130.05311.57
5.2.100.0130.05311.57
5.2.90.0030.06311.57
5.2.80.0030.06011.57
5.2.70.0030.03711.57
5.2.60.0000.03311.57
5.2.50.0100.05011.57
5.2.40.0070.05711.57
5.2.30.0030.04711.57
5.2.20.0100.04011.57
5.2.10.0030.02711.57
5.2.00.0070.06311.57
5.1.60.0030.03711.57
5.1.50.0000.05711.57
5.1.40.0130.05011.57
5.1.30.0070.04711.57
5.1.20.0030.06011.57
5.1.10.0030.05311.57
5.1.00.0100.03711.57
5.0.50.0070.02011.57
5.0.40.0070.03011.57
5.0.30.0030.03311.57
5.0.20.0030.02011.57
5.0.10.0070.03711.57
5.0.00.0030.06311.57
4.4.90.0030.01711.57
4.4.80.0030.01311.57
4.4.70.0000.04011.57
4.4.60.0000.03711.57
4.4.50.0070.02311.57
4.4.40.0000.05011.57
4.4.30.0030.02711.57
4.4.20.0070.03311.57
4.4.10.0000.03011.57
4.4.00.0030.05011.57
4.3.110.0000.03011.57
4.3.100.0000.03711.57
4.3.90.0070.02711.57
4.3.80.0000.05311.57
4.3.70.0070.02311.57
4.3.60.0000.03711.57
4.3.50.0070.01311.57
4.3.40.0000.05011.57
4.3.30.0000.03711.57
4.3.20.0030.03311.57
4.3.10.0000.03711.57
4.3.00.0000.03311.57

preferences:
33.21 ms | 401 KiB | 5 Q