3v4l.org

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

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)
7.4.10.0130.00714.62
7.4.00.0060.01214.86
7.3.130.0100.00714.81
7.3.120.0110.00614.71
7.3.110.0090.00814.74
7.3.100.0100.00714.67
7.3.90.0060.01114.96
7.3.80.0050.01014.95
7.3.70.0040.00514.82
7.3.60.0060.00914.90
7.3.50.0110.00514.60
7.3.40.0080.00414.79
7.3.30.0070.00514.65
7.3.20.0070.00616.67
7.3.10.0050.00816.66
7.3.00.0110.00616.54
7.2.260.0090.00915.04
7.2.250.0050.01415.06
7.2.240.0070.01115.10
7.2.230.0050.01214.96
7.2.220.0030.01415.13
7.2.210.0050.01015.08
7.2.200.0080.00514.87
7.2.190.0030.01214.85
7.2.180.0050.01014.85
7.2.170.0080.00814.92
7.2.160.0090.00614.94
7.2.150.0040.01417.06
7.2.140.0090.00616.71
7.2.130.0030.01316.84
7.2.120.0090.00916.72
7.2.110.0150.00016.80
7.2.100.0040.01116.93
7.2.90.0140.00316.93
7.2.80.0030.01416.84
7.2.70.0130.00316.99
7.2.60.0060.00916.96
7.2.50.0040.00817.03
7.2.40.0120.00316.66
7.2.30.0040.01417.09
7.2.20.0000.01617.08
7.2.10.0030.00916.93
7.2.00.0030.01118.16
7.1.330.0080.01215.68
7.1.320.0070.01315.66
7.1.310.0060.01015.57
7.1.300.0110.00715.78
7.1.290.0160.00615.52
7.1.280.0090.01115.66
7.1.270.0070.01115.82
7.1.260.0090.01015.86
7.1.250.0100.01015.76
7.1.240.0100.01015.73
7.1.230.0090.00615.86
7.1.220.0150.00615.77
7.1.210.0080.01215.72
7.1.200.0060.01515.78
7.1.190.0140.00515.50
7.1.180.0090.01015.60
7.1.170.0030.01615.65
7.1.160.0060.01315.55
7.1.150.0000.02115.34
7.1.140.0130.00915.66
7.1.130.0000.01915.80
7.1.120.0070.01015.48
7.1.110.0100.01315.45
7.1.100.0080.01116.87
7.1.90.0080.01015.74
7.1.80.0140.00515.91
7.1.70.0020.01216.18
7.1.60.0100.01317.61
7.1.50.0160.00816.19
7.1.40.0060.01315.80
7.1.30.0100.01015.51
7.1.20.0110.00815.54
7.1.10.0100.00715.55
7.1.00.0090.02219.14
7.0.330.0140.00515.15
7.0.320.0070.01115.38
7.0.310.0030.01215.37
7.0.300.0110.00915.34
7.0.290.0130.00615.29
7.0.280.0060.01315.13
7.0.270.0080.00915.20
7.0.260.0060.01015.12
7.0.250.0070.01415.23
7.0.240.0100.01115.31
7.0.230.0070.01015.50
7.0.220.0080.01415.33
7.0.210.0180.00415.25
7.0.200.0080.00715.99
7.0.190.0040.01615.59
7.0.180.0100.01115.35
7.0.170.0000.02015.39
7.0.160.0130.00915.30
7.0.150.0120.00815.24
7.0.140.0070.04318.76
7.0.130.0120.00615.47
7.0.120.0070.01015.24
7.0.110.0070.01415.30
7.0.100.0080.03917.77
7.0.90.0300.04817.63
7.0.80.0250.04617.60
7.0.70.0290.04717.78
7.0.60.0070.04217.63
7.0.50.0130.05117.90
7.0.40.0080.04516.78
7.0.30.0060.05116.79
7.0.20.0120.04616.79
7.0.10.0100.04416.75
7.0.00.0100.04516.53
5.6.400.0090.01414.29
5.6.390.0030.01414.25
5.6.380.0090.01414.70
5.6.370.0090.01214.43
5.6.360.0120.00814.30
5.6.350.0090.01214.61
5.6.340.0080.01114.10
5.6.330.0090.00914.37
5.6.320.0090.01414.32
5.6.310.0090.00914.23
5.6.300.0130.00714.59
5.6.290.0130.00914.35
5.6.280.0160.03717.75
5.6.270.0100.01014.56
5.6.260.0110.01214.75
5.6.250.0120.03817.43
5.6.240.0160.04217.49
5.6.230.0080.04217.56
5.6.220.0100.04317.38
5.6.210.0090.04417.46
5.6.200.0080.03617.65
5.6.190.0030.05817.86
5.6.180.0090.04717.64
5.6.170.0080.05317.74
5.6.160.0070.05217.69
5.6.150.0080.05117.60
5.6.140.0080.05017.62
5.6.130.0060.04817.56
5.6.120.0030.05517.73
5.6.110.0060.05217.71
5.6.100.0120.04417.70
5.6.90.0110.04217.80
5.6.80.0150.04317.27
5.6.70.0110.04317.36
5.6.60.0090.05017.17
5.6.50.0070.05017.33
5.6.40.0070.05017.28
5.6.30.0130.04417.42
5.6.20.0080.04317.19
5.6.10.0160.04017.43
5.6.00.0070.04917.31
5.5.380.0080.04817.20
5.5.370.0110.03517.42
5.5.360.0100.04417.21
5.5.350.0140.04117.47
5.5.340.0110.04917.51
5.5.330.0120.04517.30
5.5.320.0130.03317.58
5.5.310.0140.04217.42
5.5.300.0120.04717.47
5.5.290.0110.04517.66
5.5.280.0100.04417.31
5.5.270.0050.05017.52
5.5.260.0090.04717.51
5.5.250.0080.05617.35
5.5.240.0070.04717.15
5.5.230.0120.04517.12
5.5.220.0080.04617.20
5.5.210.0090.05017.21
5.5.200.0130.04517.20
5.5.190.0040.04117.13
5.5.180.0070.04617.11
5.5.170.0100.01114.26
5.5.160.0100.04617.07
5.5.150.0080.04617.19
5.5.140.0170.02917.29
5.5.130.0070.04717.14
5.5.120.0140.03717.08
5.5.110.0080.04617.27
5.5.100.0080.04817.15
5.5.90.0070.04617.24
5.5.80.0060.05417.19
5.5.70.0120.04217.10
5.5.60.0150.04517.01
5.5.50.0080.04617.03
5.5.40.0100.04617.11
5.5.30.0120.05016.95
5.5.20.0140.04217.07
5.5.10.0090.04717.09
5.5.00.0120.04417.14
5.4.450.0120.03815.81
5.4.440.0160.04215.74
5.4.430.0150.03715.81
5.4.420.0120.02715.74
5.4.410.0070.04515.70
5.4.400.0050.04615.65
5.4.390.0090.04315.66
5.4.380.0030.05015.60
5.4.370.0080.04715.66
5.4.360.0130.04215.65
5.4.350.0060.04215.64
5.4.340.0130.03015.65
5.4.330.0090.00512.18
5.4.320.0100.03915.62
5.4.310.0060.02915.61
5.4.300.0070.04215.66
5.4.290.0100.03315.62
5.4.280.0060.04915.60
5.4.270.0100.02215.60
5.4.260.0150.02915.54
5.4.250.0120.04215.60
5.4.240.0130.04315.64
5.4.230.0100.04015.57
5.4.220.0110.04115.62
5.4.210.0030.05015.61
5.4.200.0070.04815.64
5.4.190.0120.04215.65
5.4.180.0060.04115.61
5.4.170.0030.04415.62
5.4.160.0100.04215.64
5.4.150.0040.04915.50
5.4.140.0120.04014.22
5.4.130.0130.02814.22
5.4.120.0050.04514.27
5.4.110.0110.03314.21
5.4.100.0070.04314.20
5.4.90.0110.04014.30
5.4.80.0110.03914.21
5.4.70.0130.02214.25
5.4.60.0070.02414.21
5.4.50.0090.02114.23
5.4.40.0110.01814.25
5.4.30.0070.03714.23
5.4.20.0090.01914.21
5.4.10.0070.03514.20
5.4.00.0100.03113.96
5.3.290.0070.04113.33
5.3.280.0140.03613.36
5.3.270.0140.04213.39
5.3.260.0110.04113.36
5.3.250.0080.04513.30
5.3.240.0080.03713.38
5.3.230.0120.04213.35
5.3.220.0090.04313.35
5.3.210.0060.04913.29
5.3.200.0140.02913.34
5.3.190.0110.04213.34
5.3.180.0100.03813.30
5.3.170.0120.04213.36
5.3.160.0100.02313.36
5.3.150.0060.02513.36
5.3.140.0030.02613.33
5.3.130.0090.02913.28
5.3.120.0050.02913.33
5.3.110.0120.01813.34
5.3.100.0040.02313.06
5.3.90.0080.04013.08
5.3.80.0070.02413.08
5.3.70.0050.02513.02
5.3.60.0070.02712.97
5.3.50.0100.01712.99
5.3.40.0060.02613.05
5.3.30.0100.02012.97
5.3.20.0040.02712.94
5.3.10.0050.02012.84
5.3.00.0120.02112.84

preferences:
36.87 ms | 401 KiB | 5 Q