3v4l.org

run code in 300+ PHP versions simultaneously
<?php $val = uniqid("\x00"); echo (int) $val === $val;

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)
7.4.00.0050.01414.91
7.3.120.0050.01314.88
7.3.110.0070.00814.97
7.3.100.0050.00915.00
7.3.90.0050.00914.71
7.3.80.0040.00614.76
7.3.70.0070.00814.63
7.3.60.0070.00614.71
7.3.50.0050.01114.73
7.3.40.0060.01014.71
7.3.30.0060.00614.78
7.3.20.0050.00916.40
7.3.10.0040.00916.61
7.3.00.0010.01216.54
7.2.250.0080.00914.92
7.2.240.0080.01114.97
7.2.230.0090.00514.82
7.2.220.0020.01414.85
7.2.210.0080.00615.07
7.2.200.0050.00715.03
7.2.190.0100.00514.86
7.2.180.0090.00714.94
7.2.170.0060.00914.77
7.1.330.0090.00615.78
7.1.320.0060.00615.73
7.1.310.0070.00815.81
7.1.300.0050.01015.61
7.1.290.0060.00715.73
7.1.280.0070.00715.62
7.1.270.0050.00915.79
7.1.260.0090.00515.78
7.1.70.0000.00717.05
7.1.60.0170.00319.61
7.1.50.0120.00616.78
7.1.00.0070.07322.45
7.0.200.0070.00016.87
7.0.140.0030.07722.00
7.0.60.0200.07319.99
7.0.50.0100.07017.77
7.0.40.0070.05020.08
7.0.30.0230.03320.18
7.0.20.0270.05720.13
7.0.10.0070.08020.04
7.0.00.0070.04020.20
5.6.280.0070.07021.06
5.6.210.0030.04020.59
5.6.200.0030.08318.12
5.6.190.0100.07020.56
5.6.180.0270.06720.27
5.6.170.0130.04720.38
5.6.160.0030.04020.48
5.6.150.0130.07018.14
5.6.140.0070.06718.17
5.6.130.0130.08018.20
5.6.120.0100.08021.02
5.6.110.0030.08720.95
5.6.100.0170.06021.12
5.6.90.0100.08721.07
5.6.80.0000.04320.35
5.5.350.0100.07720.41
5.5.340.0000.07317.88
5.5.330.0030.07720.15
5.5.320.0270.08720.30
5.5.310.0370.06020.34
5.5.300.0130.07717.90
5.5.290.0100.08017.92
5.5.280.0100.08320.86
5.5.270.0030.04020.83
5.5.260.0130.08020.86
5.5.250.0200.07020.70
5.5.240.4170.03720.25
5.4.450.0600.05719.48
5.4.440.0370.05019.63
5.4.430.0770.04719.48
5.4.420.0730.05019.31
5.4.410.0870.05719.53
5.4.400.0670.04719.32
5.4.390.0600.05718.80
5.4.380.0370.04718.67
5.4.370.0300.05718.68
5.4.360.0300.05318.68
5.4.350.0370.07318.65
5.4.340.0230.06318.77
5.4.320.0110.03912.45
5.4.310.0120.05012.45
5.4.300.0140.04312.45
5.4.290.0110.04912.45
5.4.280.0150.04712.35
5.4.270.0100.05112.34
5.4.260.0090.04912.35
5.4.250.0080.04012.35
5.4.240.0110.04112.35
5.4.230.0110.05212.34
5.4.220.0120.04912.34
5.4.210.0060.04412.34
5.4.200.0070.03812.34
5.4.190.0070.04012.34
5.4.180.0110.03712.33
5.4.170.0080.03712.34
5.4.160.0050.03912.34
5.4.150.0060.03912.34
5.4.140.0080.03812.02
5.4.130.0070.03612.01
5.4.120.0080.03411.97
5.4.110.0070.03411.96
5.4.100.0050.03611.96
5.4.90.0070.04111.96
5.4.80.0050.04111.96
5.4.70.0050.03511.96
5.4.60.0120.03711.96
5.4.50.0080.04411.96
5.4.40.0070.03811.95
5.4.30.0090.03811.95
5.4.20.0060.03711.95
5.4.10.0120.04011.95
5.4.00.0070.03611.44
5.3.290.0070.04212.80
5.3.280.0090.03712.71
5.3.270.0070.04212.73
5.3.260.0090.03812.72
5.3.250.0090.04412.72
5.3.240.0120.03612.72
5.3.230.0070.05112.71
5.3.220.0100.06212.68
5.3.210.0050.06612.68
5.3.200.0130.05112.68
5.3.190.0090.05512.68
5.3.180.0200.06712.67
5.3.170.0120.06912.67
5.3.160.0110.04412.67
5.3.150.0110.04612.67
5.3.140.0050.05012.66
5.3.130.0080.03912.66
5.3.120.0110.03812.66
5.3.110.0080.03812.66
5.3.100.0100.03512.11
5.3.90.0110.03312.08
5.3.80.0070.03612.07
5.3.70.0050.03812.08
5.3.60.0070.03612.06
5.3.50.0050.04612.00
5.3.40.0070.05112.00
5.3.30.0100.04611.94
5.3.20.0080.04311.72
5.3.10.0050.04511.70
5.3.00.0070.03611.68
5.2.170.0110.0259.18
5.2.160.0020.0339.18
5.2.150.0060.0309.18
5.2.140.0050.0309.18
5.2.130.0070.0339.14
5.2.120.0060.0279.14
5.2.110.0040.0309.14
5.2.100.0050.0289.14
5.2.90.0040.0309.14
5.2.80.0100.0379.13
5.2.70.0040.0319.13
5.2.60.0090.0269.09
5.2.50.0050.0309.06
5.2.40.0020.0319.03
5.2.30.0050.0299.01
5.2.20.0050.0309.00
5.2.10.0060.0328.92
5.2.00.0090.0358.78
5.1.60.0040.0258.07
5.1.50.0050.0348.06
5.1.40.0070.0308.04
5.1.30.0060.0338.39
5.1.20.0060.0388.41
5.1.10.0050.0358.14
5.1.00.0070.0358.14
5.0.50.0100.0246.61
5.0.40.0150.0456.47
5.0.30.0090.0386.29
5.0.20.0060.0266.26
5.0.10.0050.0306.23
5.0.00.0090.0386.23
4.4.90.0050.0214.77
4.4.80.0060.0244.75
4.4.70.0040.0224.75
4.4.60.0030.0254.76
4.4.50.0060.0214.77
4.4.40.0050.0294.71
4.4.30.0060.0174.75
4.4.20.0070.0184.84
4.4.10.0040.0174.85
4.4.00.0060.0354.76
4.3.110.0020.0184.67
4.3.100.0030.0164.66
4.3.90.0020.0164.63
4.3.80.0060.0264.58
4.3.70.0040.0174.63
4.3.60.0070.0334.63
4.3.50.0050.0364.63
4.3.40.0040.0334.54
4.3.30.0020.0223.29
4.3.20.0090.0193.27
4.3.10.0030.0213.23
4.3.00.0070.0237.38

preferences:
38.17 ms | 400 KiB | 5 Q