3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo uniqid("ref");

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)
7.4.00.0050.01114.84
7.3.120.0050.00914.91
7.3.110.0030.01214.67
7.3.100.0070.00714.70
7.3.90.0060.00614.75
7.3.80.0060.00614.70
7.3.70.0040.00714.71
7.3.60.0050.00714.74
7.3.50.0080.00614.46
7.3.40.0020.01214.67
7.3.30.0110.00114.53
7.3.20.0080.00516.34
7.3.10.0020.01116.57
7.3.00.0060.00616.43
7.2.250.0060.00914.65
7.2.240.0080.00814.92
7.2.230.0080.00314.90
7.2.220.0040.00614.70
7.2.210.0060.00614.97
7.2.200.0050.00914.84
7.2.190.0050.00914.76
7.2.180.0050.00815.03
7.2.170.0030.01014.75
7.2.130.0080.00416.87
7.2.120.0040.00816.59
7.2.110.0140.00016.70
7.2.100.0000.00916.47
7.2.90.0140.00016.42
7.2.80.0030.01016.76
7.2.70.0000.01116.99
7.2.60.0040.01116.67
7.2.50.0040.01116.75
7.2.40.0000.01416.91
7.2.30.0100.00416.94
7.2.20.0030.00816.66
7.2.10.0040.00716.66
7.2.00.0080.00618.03
7.1.330.0100.00315.63
7.1.320.0050.00515.67
7.1.310.0080.00515.63
7.1.300.0060.00715.63
7.1.290.0090.00515.52
7.1.280.0020.01015.57
7.1.270.0090.00515.62
7.1.260.0060.00415.60
7.1.250.0070.00715.48
7.1.70.0000.01017.11
7.1.60.0120.01219.82
7.1.50.0000.01116.77
7.1.00.0070.06722.54
7.0.200.0030.00516.66
7.0.140.0070.06722.16
7.0.100.0070.05019.88
7.0.90.0170.08319.95
7.0.80.0330.06719.87
7.0.70.0070.06720.11
7.0.60.0200.07319.90
7.0.50.0070.04720.32
7.0.40.0100.03320.08
7.0.30.0030.05720.19
7.0.20.0000.04720.13
7.0.10.0030.05720.13
7.0.00.0070.05020.10
5.6.280.0030.07321.07
5.6.250.0200.06020.49
5.6.240.0170.07320.75
5.6.230.0070.08720.58
5.6.220.0030.05020.46
5.6.210.0070.07720.49
5.6.200.0030.04320.95
5.6.190.0070.04021.11
5.6.180.0000.04021.03
5.6.170.0030.04321.02
5.6.160.0000.04321.01
5.6.150.0100.04021.04
5.6.140.0100.03721.00
5.6.130.0130.04721.11
5.6.120.0030.04321.04
5.6.110.0030.04321.00
5.6.100.0030.04321.15
5.6.90.0100.03721.11
5.6.80.0000.05320.44
5.6.70.0000.05320.43
5.6.60.0000.04720.45
5.6.50.0130.07320.55
5.6.40.0200.06320.39
5.6.30.0100.07020.29
5.6.20.0030.08720.52
5.6.10.0130.07720.48
5.6.00.0070.06020.47
5.5.380.0000.08020.40
5.5.370.0170.05720.35
5.5.360.0070.08320.33
5.5.350.0100.07720.45
5.5.340.0100.03720.77
5.5.330.0000.03720.93
5.5.320.0170.02720.87
5.5.310.0100.06320.68
5.5.300.0000.04720.63
5.5.290.0070.07320.72
5.5.280.0000.04320.88
5.5.270.0030.04320.90
5.5.260.0030.04720.87
5.5.250.0070.03720.45
5.5.240.0100.05320.24
5.5.230.0000.08320.28
5.5.220.0030.06720.16
5.5.210.0030.08020.30
5.5.200.0130.07019.98
5.5.190.0130.07720.10
5.5.180.0230.07020.18
5.5.160.0030.05320.17
5.5.150.0000.05019.97
5.5.140.0030.06720.23
5.5.130.0000.05020.22
5.5.120.0070.06020.17
5.5.110.0070.07020.28
5.5.100.0070.08020.13
5.5.90.0000.08720.07
5.5.80.0030.05720.03
5.5.70.0130.07320.09
5.5.60.0170.07020.00
5.5.50.0070.07320.14
5.5.40.0170.06320.05
5.5.30.0130.04019.98
5.5.20.0030.05720.05
5.5.10.0170.04020.15
5.5.00.0070.08020.04
5.4.450.0100.04319.47
5.4.440.0000.04319.30
5.4.430.0100.03319.29
5.4.420.0000.05019.38
5.4.410.0070.03719.29
5.4.400.0030.06718.96
5.4.390.0170.06718.95
5.4.380.0100.06718.90
5.4.370.0130.07718.78
5.4.360.0070.07318.84
5.4.350.0030.07019.10
5.4.340.0000.06719.12
5.4.320.0070.07718.98
5.4.310.0130.06019.06
5.4.300.0100.07719.06
5.4.290.0030.07719.13
5.4.280.0100.07319.11
5.4.270.0130.06718.98
5.4.260.0070.07019.12
5.4.250.0130.07019.12
5.4.240.0070.07719.04
5.4.230.0000.07718.89
5.4.220.0100.07719.09
5.4.210.0070.07718.80
5.4.200.0100.06019.14
5.4.190.0000.06019.02
5.4.180.0070.07718.97
5.4.170.0000.06019.13
5.4.160.0030.07019.11
5.4.150.0200.06319.08
5.4.140.0100.07316.35
5.4.130.0100.04316.27
5.4.120.0070.07016.33
5.4.110.0070.03716.31
5.4.100.0130.07316.30
5.4.90.0030.08016.26
5.4.80.0100.05716.29
5.4.70.0070.06316.35
5.4.60.0100.07016.21
5.4.50.0030.07016.23
5.4.40.0030.07716.24
5.4.30.0100.07316.18
5.4.20.0070.05716.23
5.4.10.0070.07316.23
5.4.00.0070.07015.78
5.3.290.0100.07014.63
5.3.280.0070.03314.44
5.3.270.0130.04314.46
5.3.260.0070.05714.56
5.3.250.0070.05014.59
5.3.240.0130.06714.60
5.3.230.0100.07014.54
5.3.220.0030.07014.57
5.3.210.0030.08014.40
5.3.200.0100.06014.56
5.3.190.0000.08714.54
5.3.180.0100.07314.50
5.3.170.0100.07014.40
5.3.160.0170.06314.56
5.3.150.0100.07014.50
5.3.140.0030.06714.55
5.3.130.0030.07314.40
5.3.120.0070.05014.55
5.3.110.0030.07714.51
5.3.100.0070.07314.04
5.3.90.0030.05313.98
5.3.80.0000.05713.97
5.3.70.0100.07013.79
5.3.60.0030.07313.86
5.3.50.0030.07313.94
5.3.40.0030.04313.90
5.3.30.0070.07313.66
5.3.20.0030.04713.54
5.3.10.0070.07013.61
5.3.00.0070.07313.59
5.2.170.0070.06010.98
5.2.160.0070.06010.98
5.2.150.0000.06710.99
5.2.140.0030.06310.99
5.2.130.0070.06010.91
5.2.120.0030.06311.11
5.2.110.0070.06311.09
5.2.100.0000.06711.14
5.2.90.0030.04710.92
5.2.80.0070.06311.05
5.2.70.0100.05011.09
5.2.60.0030.07010.97
5.2.50.0070.03310.81
5.2.40.0100.05711.06
5.2.30.0100.04710.82
5.2.20.0070.06310.95
5.2.10.0130.05010.82
5.2.00.0030.06010.63
5.1.60.0030.0509.83
5.1.50.0170.0379.83
5.1.40.0030.05310.01
5.1.30.0030.05710.39
5.1.20.0070.05710.20
5.1.10.0070.04310.10
5.1.00.0000.03710.06
5.0.50.0000.0408.78
5.0.40.0030.0438.78
5.0.30.0030.0638.78
5.0.20.0030.0408.78
5.0.10.0030.0278.78
5.0.00.0100.0308.78
4.4.90.0030.0208.78
4.4.80.0000.0308.78
4.4.70.0030.0378.78
4.4.60.0000.0378.78
4.4.50.0030.0338.78
4.4.40.0030.0508.78
4.4.30.0000.0308.78
4.4.20.0030.0378.78
4.4.10.0070.0278.78
4.4.00.0030.0538.78
4.3.110.0000.0408.78
4.3.100.0000.0378.78
4.3.90.0030.0338.78
4.3.80.0030.0538.78
4.3.70.0030.0378.78
4.3.60.0000.0338.78
4.3.50.0070.0308.78
4.3.40.0000.0478.78
4.3.30.0070.0308.78
4.3.20.0000.0308.78
4.3.10.0100.0238.78
4.3.00.0030.0338.78

preferences:
44.61 ms | 401 KiB | 5 Q