3v4l.org

run code in 300+ PHP versions simultaneously
<?php function generate_GUID($prefix = '') { $uuid = md5(uniqid(rand(), true)); $guid = $prefix.substr($uuid,0,8)."-". substr($uuid,8,4)."-". substr($uuid,12,4)."-". substr($uuid,16,4)."-". substr($uuid,20,12); return $guid; } echo generate_GUID($prefix='');

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)
7.3.00.0050.00816.68
7.2.130.0080.00416.89
7.2.120.0060.00617.02
7.2.110.0100.00316.75
7.2.100.0070.00716.71
7.2.90.0000.01316.52
7.2.80.0070.00416.79
7.2.70.0000.01417.07
7.2.60.0030.00616.96
7.2.50.0120.00416.93
7.2.40.0060.00917.02
7.2.30.0000.01616.77
7.2.20.0040.01217.05
7.2.10.0080.00616.88
7.2.00.0020.01018.30
7.1.250.0080.00015.73
7.1.240.0130.00315.75
7.1.230.0050.00515.50
7.1.220.0030.01015.74
7.1.210.0060.00615.54
7.1.200.0000.01215.72
7.1.190.0030.00915.71
7.1.180.0060.00615.56
7.1.170.0090.00615.71
7.1.160.0030.00715.31
7.1.150.0000.01215.69
7.1.140.0000.01115.51
7.1.130.0030.01015.42
7.1.120.0000.00915.68
7.1.110.0050.00815.65
7.1.100.0090.00615.54
7.1.90.0060.00615.97
7.1.80.0130.00315.81
7.1.70.0010.00916.47
7.1.60.0080.00617.37
7.1.50.0030.01216.46
7.1.40.0000.01115.93
7.1.30.0000.01415.73
7.1.20.0030.01015.77
7.1.10.0000.01115.65
7.1.00.0070.03319.08
7.0.330.0030.00715.56
7.0.320.0070.00715.46
7.0.310.0090.00315.21
7.0.300.0030.00715.15
7.0.290.0100.00315.25
7.0.280.0040.00715.32
7.0.270.0030.00615.41
7.0.260.0060.00915.37
7.0.250.0040.00415.55
7.0.240.0030.00715.30
7.0.230.0070.00715.58
7.0.220.0040.00715.02
7.0.210.0000.01315.32
7.0.200.0030.00516.05
7.0.190.0030.00515.39
7.0.180.0050.00515.20
7.0.170.0060.00915.33
7.0.160.0040.01115.41
7.0.150.0040.00715.13
7.0.140.0020.04018.74
7.0.130.0030.00715.28
7.0.120.0010.02518.66
7.0.110.0060.00615.34
7.0.100.0060.00615.23
7.0.90.0070.00315.29
7.0.80.0000.00815.32
7.0.70.0030.00715.26
7.0.60.0100.04517.57
7.0.50.0020.03116.73
7.0.40.0030.04415.64
7.0.30.0080.02015.64
7.0.20.0030.02215.58
7.0.10.0030.02315.63
7.0.00.0030.02815.62
5.6.380.0060.00314.30
5.6.370.0030.00914.27
5.6.360.0040.01114.08
5.6.350.0040.01114.22
5.6.340.0070.00714.17
5.6.330.0030.01014.30
5.6.320.0090.00613.93
5.6.310.0100.00313.88
5.6.300.0000.01114.49
5.6.290.0040.00714.31
5.6.280.0070.03717.59
5.6.270.0000.01114.23
5.6.260.0070.00314.38
5.6.250.0080.00014.08
5.6.240.0100.00314.32
5.6.230.0000.01514.33
5.6.220.0040.01114.59
5.6.210.0100.03217.43
5.6.200.0080.04016.41
5.6.190.0050.04516.28
5.6.180.0030.04716.21
5.6.170.0070.02016.19
5.6.160.0050.03216.36
5.6.150.0020.03616.24
5.6.140.0090.03816.20
5.6.130.0030.02716.27
5.6.120.0040.04616.18
5.6.110.0050.03016.26
5.6.100.0080.02716.27
5.6.90.0050.04616.26
5.6.80.0130.03315.97
5.6.70.0090.03415.86
5.6.60.0080.02515.78
5.6.50.0100.03315.96
5.6.40.0050.02715.88
5.6.30.0060.03415.94
5.6.20.0040.04115.89
5.6.10.0100.03015.93
5.6.00.0070.02715.81
5.5.380.0000.01011.18
5.5.370.0060.00011.44
5.5.360.0000.00711.18
5.5.350.0250.03315.84
5.5.340.0050.02514.66
5.5.330.0030.03814.59
5.5.320.0030.02714.68
5.5.310.0020.03614.62
5.5.300.0100.02814.57
5.5.290.0050.03314.56
5.5.280.0060.02214.62
5.5.270.0060.03814.58
5.5.260.0030.04514.69
5.5.250.0060.04214.48
5.5.240.0030.04014.25
5.5.230.0030.02314.30
5.5.220.0100.01814.27
5.5.210.0030.02514.24
5.5.200.0030.04314.28
5.5.190.0050.02714.29
5.5.180.0040.02814.23
5.5.170.0000.01011.18
5.5.160.0070.03814.31
5.5.150.0030.03714.24
5.5.140.0070.01714.29
5.5.130.0020.03014.23
5.5.120.0030.02814.30
5.5.110.0060.02214.26
5.5.100.0070.03514.20
5.5.90.0080.03814.24
5.5.80.0080.02014.32
5.5.70.0100.03314.22
5.5.60.0050.03514.20
5.5.50.0050.04114.18
5.5.40.0040.02514.24
5.5.30.0040.02214.20
5.5.20.0040.02414.25
5.5.10.0070.04014.21
5.5.00.0050.04114.17
5.4.450.0050.04115.26
5.4.440.0060.04515.31
5.4.430.0050.04415.31
5.4.420.0030.04515.26
5.4.410.0060.03515.28
5.4.400.0100.03515.08
5.4.390.0110.03515.15
5.4.380.0060.04315.15
5.4.370.0030.02315.14
5.4.360.0080.01815.07
5.4.350.0050.02515.11
5.4.340.0020.02915.11
5.4.330.0040.00411.18
5.4.320.0070.04215.10
5.4.310.0030.02115.09
5.4.300.0030.03415.04
5.4.290.0050.03415.09
5.4.280.0050.03715.10
5.4.270.0000.04415.13
5.4.260.0050.03015.12
5.4.250.0030.02715.13
5.4.240.0020.02515.15
5.4.230.0030.04415.11
5.4.220.0070.04215.22
5.4.210.0070.04015.13
5.4.200.0060.02515.09
5.4.190.0070.03515.09
5.4.180.0020.03715.09
5.4.170.0050.04215.13
5.4.160.0080.03715.17
5.4.150.0070.02715.09
5.4.140.0060.03713.79
5.4.130.0050.03813.80
5.4.120.0060.03213.76
5.4.110.0080.03813.76
5.4.100.0070.03713.74
5.4.90.0020.03213.83
5.4.80.0060.02213.77
5.4.70.0110.03313.80
5.4.60.0060.03813.81
5.4.50.0030.02113.78
5.4.40.0080.02213.79
5.4.30.0080.04013.80
5.4.20.0100.03413.82
5.4.10.0030.03413.81
5.4.00.0040.03113.51
5.3.290.0100.02112.94
5.3.280.0070.02212.94
5.3.270.0050.04112.89
5.3.260.0050.04212.92
5.3.250.0050.03512.87
5.3.240.0070.03712.81
5.3.230.0050.02612.91
5.3.220.0020.04312.87
5.3.210.0090.02012.88
5.3.200.0020.02312.87
5.3.190.0060.03612.89
5.3.180.0030.04112.92
5.3.170.0020.02212.85
5.3.160.0080.03412.86
5.3.150.0060.03012.90
5.3.140.0070.03712.84
5.3.130.0030.04012.86
5.3.120.0050.03012.84
5.3.110.0080.04012.88
5.3.100.0050.02112.63
5.3.90.0020.04012.62
5.3.80.0030.02912.62
5.3.70.0030.02112.61
5.3.60.0030.02012.61
5.3.50.0050.02012.67
5.3.40.0100.03412.61
5.3.30.0060.03312.55
5.3.20.0030.03612.45
5.3.10.0070.02312.41
5.3.00.0080.02112.38
5.2.170.0040.02511.17
5.2.160.0000.03611.18
5.2.150.0020.02311.11
5.2.140.0030.02911.16
5.2.130.0010.01811.16
5.2.120.0080.01211.19
5.2.110.0000.03711.13
5.2.100.0030.03411.14
5.2.90.0080.02711.24
5.2.80.0020.02811.13
5.2.70.0030.03311.11
5.2.60.0090.01711.13
5.2.50.0070.02011.12
5.2.40.0030.01711.04
5.2.30.0050.03111.05
5.2.20.0020.02811.08
5.2.10.0030.01610.97
5.2.00.0030.03011.01
5.1.60.0050.01810.57
5.1.50.0070.02510.56
5.1.40.0080.02710.68
5.1.30.0080.02610.76
5.1.20.0030.03310.72
5.1.10.0030.03010.67
5.1.00.0050.02810.64
5.0.50.0000.0279.92
5.0.40.0040.0229.92
5.0.30.0020.0359.92
5.0.20.0050.0169.92
5.0.10.0060.0239.92
5.0.00.0030.0299.92
4.4.90.0020.0119.92
4.4.80.0020.0189.92
4.4.70.0000.0179.92
4.4.60.0010.0239.92
4.4.50.0060.0079.92
4.4.40.0030.0319.92
4.4.30.0030.0159.92
4.4.20.0000.0189.92
4.4.10.0020.0189.92
4.4.00.0000.0289.92
4.3.110.0010.0119.92
4.3.100.0020.0159.92
4.3.90.0000.0219.92
4.3.80.0000.0319.92
4.3.70.0020.0219.92
4.3.60.0030.0179.92
4.3.50.0020.0159.92
4.3.40.0020.0249.92
4.3.30.0010.0099.92
4.3.20.0030.0109.92
4.3.10.0030.0089.92
4.3.00.0010.0089.92

preferences:
42.67 ms | 400 KiB | 5 Q