3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = microtime(1); for ($i=1000; $i--;) $x[uniqid()] = 1; $b = microtime(1); echo count($x);

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)
7.3.10.0080.00816.82
7.3.00.0060.00916.17
7.2.130.0110.00816.79
7.2.120.0100.00716.80
7.2.110.0070.01416.77
7.2.100.0000.01516.95
7.2.90.0040.01116.85
7.2.80.0060.00917.03
7.2.70.0030.01316.78
7.2.60.0090.00616.61
7.2.50.0030.01216.79
7.2.40.0060.00616.83
7.2.30.0040.01116.68
7.2.20.0090.00816.95
7.2.10.0030.00916.58
7.2.00.0110.00616.98
7.1.250.0090.01316.02
7.1.70.0040.00817.35
7.1.60.0110.01819.40
7.1.50.0310.01234.79
7.1.00.0100.06322.27
7.0.200.0150.00814.95
7.0.140.0070.07021.95
7.0.60.0130.08020.10
7.0.50.0100.04018.08
7.0.40.0170.08020.19
7.0.30.0270.05720.16
7.0.20.0300.05320.16
7.0.10.0300.08020.08
7.0.00.0070.08020.16
5.6.280.0030.08021.25
5.6.210.0170.07320.51
5.6.200.0130.07718.13
5.6.190.0070.08020.57
5.6.180.0370.07320.75
5.6.170.0300.07720.49
5.6.160.0070.08720.48
5.6.150.0070.08018.19
5.6.140.0100.08018.21
5.6.130.0070.08718.19
5.6.120.0170.08021.15
5.6.110.0170.07721.04
5.6.100.0130.07021.02
5.6.90.0100.03720.98
5.6.80.0070.08320.57
5.6.70.0270.06020.38
5.5.350.0400.07320.55
5.5.340.0130.03718.02
5.5.330.0070.05720.06
5.5.320.0330.06320.39
5.5.310.0130.04320.18
5.5.300.0100.07017.89
5.5.290.0130.05317.93
5.5.280.0170.05020.72
5.5.270.0100.08320.69
5.5.260.0100.09720.90
5.5.250.0170.08020.74
5.5.240.0070.08020.20
5.4.450.4000.04719.17
5.4.440.0070.05319.46
5.4.430.1700.06319.36
5.4.420.4700.04019.45
5.4.410.4900.03319.32
5.4.400.4170.04019.05
5.4.390.4000.04019.09
5.4.380.4100.03018.89
5.4.370.4170.05319.24
5.4.360.3670.04019.04
5.4.350.4670.03319.13
5.4.340.4730.03719.24
5.4.320.4300.04019.24
5.4.310.4430.04019.15
5.4.300.4870.03019.12
5.4.290.3930.03719.12
5.4.280.4730.03719.24
5.4.270.4530.04019.13
5.4.260.3530.04019.04
5.4.250.3730.04019.15
5.4.240.4030.03719.13
5.4.230.4330.04719.15
5.4.220.4170.04019.14
5.4.210.4730.04318.98
5.4.200.4030.04018.97
5.4.190.4330.03719.18
5.4.180.4300.03318.87
5.4.170.4070.03718.84
5.4.160.3770.03719.11
5.4.150.3070.03318.95
5.4.140.0000.04016.39
5.4.130.0030.03716.44
5.4.120.1930.03316.16
5.4.110.1900.03716.20
5.4.100.2500.04716.40
5.4.90.2230.04716.62
5.4.80.2930.03316.29
5.4.70.3530.03016.41
5.4.60.3970.04016.41
5.4.50.3930.03716.18
5.4.40.4770.03716.40
5.4.30.4000.03716.48
5.4.20.0100.04316.60
5.4.10.4000.03716.45
5.4.00.3700.04015.73
5.3.290.4870.03014.73
5.3.280.4200.04314.62
5.3.270.3700.04714.73
5.3.260.3300.04314.84
5.3.250.3030.04014.69
5.3.240.3300.04014.68
5.3.230.0070.04314.57
5.3.220.4070.04014.65
5.3.210.3130.03714.53
5.3.200.2570.04314.80
5.3.190.1700.04014.64
5.3.180.1930.04714.64
5.3.170.3270.04014.66
5.3.160.4170.04014.64
5.3.150.4800.04314.65
5.3.140.4530.04014.64
5.3.130.0500.06714.51
5.3.120.0100.07714.51
5.3.110.0130.06714.59
5.3.100.4370.03314.14
5.3.90.4270.04314.18
5.3.80.4730.04713.98
5.3.70.3870.03013.95
5.3.60.4530.03313.96
5.3.50.3470.03714.05
5.3.40.3870.04314.02
5.3.30.3400.03013.89
5.3.20.4500.04013.77
5.3.10.4630.03013.61
5.3.00.4470.04313.80
5.2.170.2970.02311.11
5.2.160.2970.02311.22
5.2.150.3200.03311.21
5.2.140.3430.03311.23
5.2.130.3500.03711.10
5.2.120.4070.03311.25
5.2.110.3700.04011.39
5.2.100.3600.04011.21
5.2.90.4030.02711.18
5.2.80.3770.02311.22
5.2.70.3900.03011.21
5.2.60.4130.03311.09
5.2.50.3970.03311.16
5.2.40.3200.03711.03
5.2.30.2600.03011.11
5.2.20.2330.03311.03
5.2.10.2830.02710.95
5.2.00.3230.02310.90
5.1.60.3170.02710.21
5.1.50.3270.02710.19
5.1.40.3400.02710.06
5.1.30.3000.02710.39
5.1.20.2970.03010.53
5.1.10.2230.02710.15
5.1.00.2770.02710.15
5.0.50.1300.0179.67
5.0.40.1570.0279.67
5.0.30.1570.0339.67
5.0.20.1400.0139.67
5.0.10.1600.0239.67
5.0.00.1230.0339.67
4.4.90.1770.0079.67
4.4.80.1170.0179.67
4.4.70.1270.0139.67
4.4.60.1330.0139.67
4.4.50.0000.0339.34
4.4.40.1570.0279.67
4.4.30.1030.0179.67
4.4.20.0370.0309.67
4.4.10.1530.0179.67
4.4.00.0070.0339.34
4.3.110.1470.0139.67
4.3.100.1430.0179.67
4.3.90.1630.0139.67
4.3.80.1530.0309.67
4.3.70.1570.0139.67
4.3.60.1770.0179.67
4.3.50.1800.0139.67
4.3.40.1870.0209.67
4.3.30.0870.0239.67
4.3.20.0870.0209.67
4.3.10.0900.0179.67
4.3.00.0870.0209.67

preferences:
33.28 ms | 400 KiB | 5 Q