3v4l.org

run code in 300+ PHP versions simultaneously
<?php function significant_number($string){ $offset=9; $string=substr($string, $offset); $count=strlen($string); $i=0; while($i < $count){ if(ctype_digit($string[$i])) { break; } $i++; } return $string[$i]; } $udid="086786dc4ae78dbf6a6a9b621b5ae4"; $md5udid=md5sum($udid); $sigNo=significant_number($udid); $testudid=substr($md5udid, 4, sigNo).substr($udid, sigNo, 6); echo $testudid; ?>

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)
8.3.60.0070.00718.43
8.3.50.0120.00617.94
8.3.40.0040.01118.98
8.3.30.0110.00419.11
8.3.20.0040.00420.29
8.3.10.0070.00023.48
8.3.00.0050.00320.77
8.2.180.0090.01217.00
8.2.170.0090.01222.96
8.2.160.0100.00320.41
8.2.150.0080.00024.18
8.2.140.0070.00724.66
8.2.130.0120.00626.16
8.2.120.0080.00019.36
8.2.110.0070.00319.24
8.2.100.0060.00717.91
8.2.90.0000.00818.95
8.2.80.0000.00917.97
8.2.70.0040.00417.63
8.2.60.0030.00517.91
8.2.50.0000.00918.07
8.2.40.0030.00619.82
8.2.30.0000.00718.27
8.2.20.0000.00717.61
8.2.10.0080.00017.98
8.2.00.0030.00617.68
8.1.280.0120.01225.92
8.1.270.0050.00323.83
8.1.260.0070.00026.35
8.1.250.0030.00528.09
8.1.240.0030.00621.31
8.1.230.0040.00717.42
8.1.220.0050.00317.74
8.1.210.0030.00518.77
8.1.200.0040.00417.35
8.1.190.0050.00317.22
8.1.180.0040.00418.10
8.1.170.0040.00418.49
8.1.160.0030.00621.95
8.1.150.0030.00618.49
8.1.140.0040.00417.31
8.1.130.0030.00317.71
8.1.120.0000.00817.37
8.1.110.0030.00517.47
8.1.100.0040.00317.41
8.1.90.0050.00217.33
8.1.80.0040.00417.41
8.1.70.0000.00717.28
8.1.60.0030.00617.57
8.1.50.0000.00817.54
8.1.40.0050.00217.54
8.1.30.0040.00417.66
8.1.20.0050.00317.54
8.1.10.0040.00417.54
8.1.00.0000.00717.48
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00318.43
8.0.270.0030.00317.20
8.0.260.0000.00817.13
8.0.250.0030.00316.84
8.0.240.0040.00417.02
8.0.230.0000.00716.86
8.0.220.0000.00816.89
8.0.210.0000.00716.83
8.0.200.0000.00716.87
8.0.190.0000.00716.88
8.0.180.0040.00416.93
8.0.170.0040.00416.91
8.0.160.0060.00316.96
8.0.150.0040.00416.84
8.0.140.0090.00016.89
8.0.130.0030.00313.39
8.0.120.0000.00716.81
8.0.110.0040.00416.87
8.0.100.0070.00016.70
8.0.90.0000.00916.74
8.0.80.0040.01216.85
8.0.70.0000.00716.80
8.0.60.0030.00516.87
8.0.50.0070.00016.89
8.0.30.0080.01016.91
8.0.20.0090.00917.40
8.0.10.0070.00016.95
8.0.00.0100.00816.90
7.4.330.0000.00515.14
7.4.320.0070.00016.36
7.4.300.0000.00716.60
7.4.290.0000.00716.63
7.4.280.0000.00716.60
7.4.270.0030.00316.52
7.4.260.0030.00616.53
7.4.250.0040.00416.47
7.4.240.0060.00116.62
7.4.230.0000.00716.40
7.4.220.0000.01716.67
7.4.210.0130.00716.47
7.4.200.0050.00316.38
7.4.160.0070.00716.40
7.4.150.0140.00317.40
7.4.140.0070.01217.86
7.4.130.0050.01216.50
7.4.120.0060.01216.53
7.4.110.0040.01316.40
7.4.100.0100.00716.38
7.4.90.0090.01216.39
7.4.80.0000.01919.39
7.4.70.0100.00716.63
7.4.60.0100.00716.38
7.4.50.0080.00016.62
7.4.40.0120.00316.57
7.4.30.0090.00916.73
7.4.00.0040.01414.89
7.3.330.0030.00313.38
7.3.320.0020.00213.30
7.3.310.0030.00316.20
7.3.300.0030.00316.32
7.3.290.0070.00716.29
7.3.280.0090.00816.31
7.3.270.0070.01117.40
7.3.260.0030.01316.32
7.3.250.0070.01416.47
7.3.240.0070.01016.31
7.3.230.0030.01416.50
7.3.210.0080.01116.53
7.3.200.0100.01019.39
7.3.190.0180.00316.20
7.3.180.0070.01016.18
7.3.170.0130.00316.43
7.3.160.0080.00816.55
7.3.120.0130.00514.80
7.3.110.0100.00714.69
7.3.100.0040.01114.95
7.3.90.0100.00714.79
7.3.80.0060.00314.52
7.3.70.0030.01014.49
7.3.60.0000.01014.84
7.3.50.0120.00314.90
7.3.40.0040.00714.91
7.3.30.0060.00914.81
7.3.20.0040.01216.34
7.3.10.0080.00816.51
7.3.00.0110.00316.46
7.2.330.0100.01016.20
7.2.320.0070.01016.60
7.2.310.0160.00616.33
7.2.300.0040.01216.54
7.2.290.0030.01416.46
7.2.250.0070.01314.95
7.2.240.0100.01015.07
7.2.230.0060.00315.02
7.2.220.0000.01514.98
7.2.210.0000.01614.86
7.2.200.0060.01014.89
7.2.190.0060.01214.87
7.2.180.0090.00614.88
7.2.170.0070.00414.89
7.2.60.0090.00316.54
7.2.00.0000.01619.28
7.1.330.0030.01015.45
7.1.320.0150.00015.82
7.1.310.0030.01015.86
7.1.300.0080.00815.56
7.1.290.0000.01415.34
7.1.280.0030.01415.66
7.1.270.0080.00415.62
7.1.260.0130.00015.71
7.1.200.0050.01315.46
7.1.100.0030.00617.66
7.1.70.0040.00416.82
7.1.60.0040.01417.12
7.1.50.0040.01116.80
7.1.40.0080.00416.34
7.1.30.0000.01116.54
7.1.20.0090.00616.67
7.1.10.0000.00816.38
7.1.00.0000.00816.48
7.0.200.0000.00716.80
7.0.190.0080.00416.63
7.0.180.0000.00716.10
7.0.170.0040.00416.34
7.0.160.0050.00316.27
7.0.150.0060.00616.22
7.0.140.0080.00016.30
7.0.130.0070.00716.33
7.0.120.0060.00316.52
7.0.110.0040.00416.27
7.0.100.0030.00616.23
7.0.90.0040.00416.46
7.0.80.0060.00616.18
7.0.70.0000.00916.01
7.0.60.0000.00916.07
7.0.50.0030.00716.32
7.0.40.0070.00315.54
7.0.30.0070.00315.54
7.0.20.0050.00515.54
7.0.10.0000.01315.54
7.0.00.0000.01115.54
5.6.300.0000.04820.82
5.6.290.0030.04720.79
5.6.280.0000.05220.90
5.6.270.0260.04220.98
5.6.260.0000.04920.91
5.6.250.0030.04421.03
5.6.240.0030.04420.99
5.6.230.0100.04020.86
5.6.220.0030.04220.81
5.6.210.0070.03820.98
5.6.200.0170.05620.99
5.6.190.0000.05220.96
5.6.180.0070.04120.83
5.6.170.0000.04520.93
5.6.160.0040.05320.74
5.6.150.0030.04721.03
5.6.140.0000.04820.93
5.6.130.0000.04520.80
5.6.120.0000.04720.82
5.6.110.0000.05320.83
5.6.100.0040.04621.02
5.6.90.0040.04420.75
5.6.80.0070.03920.38
5.6.70.0000.04320.43
5.6.60.0070.03720.30
5.6.50.0030.04120.20
5.6.40.0030.04120.29
5.6.30.0060.05320.41
5.6.20.0030.04120.09
5.6.10.0220.04320.13
5.6.00.0100.04420.39
5.5.380.0090.03817.53
5.5.370.0070.04217.53
5.5.360.0100.03917.45
5.5.350.0000.04417.47
5.5.340.0000.04418.12
5.5.330.0030.04418.10
5.5.320.0000.04418.03
5.5.310.0040.03917.86
5.5.300.0030.04418.10
5.5.290.0040.04018.04
5.5.280.0130.05718.11
5.5.270.0030.04117.88
5.5.260.0040.04018.09
5.5.250.0000.04417.81
5.5.240.0030.03617.25
5.5.230.0000.04517.08
5.5.220.0070.04017.41
5.5.210.0000.04117.24
5.5.200.0030.04017.41
5.5.190.0030.03817.47
5.5.180.0030.03817.45
5.5.160.0000.04417.47
5.5.150.0030.04417.11
5.5.140.0090.03217.34
5.5.130.0030.04117.44
5.5.120.0030.03717.21
5.5.110.0070.03517.39
5.5.100.0070.03617.35
5.5.90.0030.03817.25
5.5.80.0070.04617.33
5.5.70.0030.04117.28
5.5.60.0070.03317.42
5.5.50.0000.05616.95
5.5.40.0100.03416.94
5.5.30.0030.04117.27
5.5.20.0130.02617.41
5.5.10.0100.03717.30
5.5.00.0030.06217.05
5.4.450.0170.04019.57
5.4.440.0100.03719.29
5.4.430.0000.04719.53
5.4.420.0030.04119.53
5.4.410.0030.05219.36
5.4.400.0030.03519.07
5.4.390.0040.04219.00
5.4.380.0030.03918.99
5.4.370.0030.03819.07
5.4.360.0060.06519.21
5.4.350.0130.04319.14
5.4.340.0070.04618.92
5.4.320.0030.04019.07
5.4.310.0030.03819.16
5.4.300.0060.03518.89
5.4.290.0070.03419.11
5.4.280.0030.03819.08
5.4.270.0000.04019.07
5.4.260.0130.03019.11
5.4.250.0030.04718.94
5.4.240.0070.03619.08
5.4.230.0070.03419.23
5.4.220.0070.03719.20
5.4.210.0030.03818.95
5.4.200.0030.03719.07
5.4.190.0030.03718.91
5.4.180.0060.03619.03
5.4.170.0030.03618.96
5.4.160.0030.04918.96
5.4.150.0030.04719.05
5.4.140.0030.04016.68
5.4.130.0060.03216.69
5.4.120.0030.04216.66
5.4.110.0000.06716.75
5.4.100.0070.03216.73
5.4.90.0100.03216.74
5.4.80.0000.03816.69
5.4.70.0270.03116.69
5.4.60.0000.03616.72
5.4.50.0030.03616.45
5.4.40.0030.03616.73
5.4.30.0030.03316.46
5.4.20.0030.03316.68
5.4.10.0000.03716.45
5.4.00.0030.03816.02
5.3.290.0030.04015.54
5.3.280.0030.03815.54
5.3.270.0030.03715.54
5.3.260.0030.04015.54
5.3.250.0000.04315.54
5.3.240.0060.03515.54
5.3.230.0030.04215.54
5.3.220.0030.07115.54
5.3.210.0000.04315.54
5.3.200.0000.03915.54
5.3.190.0030.04215.54
5.3.180.0000.04315.54
5.3.170.0240.03415.54
5.3.160.0070.03315.54
5.3.150.0000.04115.54
5.3.140.0000.03915.54
5.3.130.0000.04015.54
5.3.120.0130.03315.54
5.3.110.0070.06315.54
5.3.100.0070.03115.54
5.3.90.0070.03715.54
5.3.80.0070.03315.54
5.3.70.0000.04215.54
5.3.60.0000.03915.54
5.3.50.0040.03515.54
5.3.40.0230.03315.54
5.3.30.0000.04315.54
5.3.20.0030.03515.54
5.3.10.0000.04615.54
5.3.00.0000.03815.54

preferences:
57.87 ms | 400 KiB | 5 Q