3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "start",PHP_EOL; $i=0; $b=1; $z=0; echo "before loop",PHP_EOL; while (true) { $i++; $b*=2; $z**=$z; echo "inside loop",PHP_EOL; if ($z>1e300) goto w0; } echo "after loop, something went wrong... debugging :)",PHP_EOL; var_dump($i, $b, $z); w0: echo "after loop",PHP_EOL; echo "after default",PHP_EOL;

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)
8.3.70.0460.01216.58
8.3.60.0450.01016.63
8.3.50.0330.01322.94
8.3.40.0130.01018.62
8.3.30.0470.01619.09
8.3.20.0300.00520.16
8.3.10.0240.00320.48
8.3.00.0320.00019.25
8.2.180.0490.01718.33
8.2.170.0510.00822.96
8.2.160.0470.00920.45
8.2.150.0170.00424.18
8.2.140.0370.00024.66
8.2.130.0300.00026.16
8.2.120.0260.00321.04
8.2.110.0270.00419.30
8.2.100.0260.01118.22
8.2.90.0040.00819.22
8.2.80.0150.00617.97
8.2.70.0150.00417.88
8.2.60.0130.00717.93
8.2.50.0060.00318.07
8.2.40.0070.00718.16
8.2.30.0080.01119.59
8.2.20.0190.00017.96
8.2.10.0070.00718.09
8.2.00.0060.00317.80
8.1.280.0550.01025.92
8.1.270.0320.00524.01
8.1.260.0200.01226.35
8.1.250.0200.00728.09
8.1.240.0220.01719.18
8.1.230.0290.00719.08
8.1.220.0100.00717.74
8.1.210.0060.00318.77
8.1.200.0120.00317.13
8.1.190.0120.00617.23
8.1.180.0130.00418.10
8.1.170.0130.00418.46
8.1.160.0060.01222.01
8.1.150.0040.01318.85
8.1.140.0140.00317.57
8.1.130.0130.00417.84
8.1.120.0100.00717.54
8.1.110.0170.00017.35
8.1.100.0080.01317.45
8.1.90.0210.00017.36
8.1.80.0160.00417.54
8.1.70.0060.00317.42
8.1.60.0100.01017.67
8.1.50.0130.00917.53
8.1.40.0160.00517.42
8.1.30.0210.00017.59
8.1.20.0060.01217.51
8.1.10.0120.00617.54
8.1.00.0120.00617.50
8.0.300.0190.00018.77
8.0.290.0070.00716.58
8.0.280.0120.00318.40
8.0.270.0150.00417.25
8.0.260.0110.00617.11
8.0.250.0130.00016.88
8.0.240.0170.00016.80
8.0.230.0040.00716.79
8.0.220.0160.00316.83
8.0.210.0090.00016.66
8.0.200.0120.00616.79
8.0.190.0110.00416.82
8.0.180.0180.00516.80
8.0.170.0080.00416.93
8.0.160.0100.00716.86
8.0.150.0100.00716.79
8.0.140.0060.01316.79
8.0.130.0150.00713.38
8.0.120.0040.01116.69
8.0.110.0130.00716.74
8.0.100.0100.01016.84
8.0.90.0080.00416.68
8.0.80.0420.01716.76
8.0.70.0040.00816.82
8.0.60.0080.00416.84
8.0.50.0060.01116.94
8.0.30.0600.02117.01
8.0.20.0550.02917.40
8.0.10.0120.00417.00
8.0.00.0630.02316.65
7.4.330.0110.00515.02
7.4.320.0120.00616.36
7.4.300.0080.00416.35
7.4.290.0120.00816.32
7.4.280.0190.00416.34
7.4.270.0090.00916.23
7.4.260.0130.00616.41
7.4.250.0180.00016.25
7.4.240.0110.00916.38
7.4.230.0000.01616.32
7.4.220.0340.01716.26
7.4.210.0190.03216.44
7.4.200.0100.01016.19
7.4.160.0310.02116.42
7.4.150.0560.05017.40
7.4.140.0580.03217.86
7.4.130.0700.02616.43
7.4.120.0580.02716.41
7.4.110.1000.02916.36
7.4.100.0620.03816.35
7.4.90.0670.01616.32
7.4.80.0430.02419.39
7.4.70.0260.03016.34
7.4.60.0480.03316.19
7.4.50.0210.01416.35
7.4.40.0310.02816.47
7.4.30.0350.02416.54
7.4.00.0160.00614.90
7.3.330.0130.00413.34
7.3.320.0040.00913.29
7.3.310.0160.00416.27
7.3.300.0150.00016.24
7.3.290.0610.03716.41
7.3.280.0290.02016.23
7.3.270.0320.04217.40
7.3.260.0780.01716.44
7.3.250.0540.03816.53
7.3.240.0900.04616.28
7.3.230.0510.04016.39
7.3.210.0920.05016.39
7.3.200.0610.03219.39
7.3.190.0380.03916.23
7.3.180.0450.05416.41
7.3.170.0520.05616.43
7.3.160.1110.01816.63
7.2.330.0770.02816.50
7.2.320.0340.03116.51
7.2.310.0560.04616.27
7.2.300.0580.01316.63
7.2.290.0470.03316.45
7.2.00.0130.00919.33
7.1.100.0070.00718.14
7.1.70.0080.00517.09
7.1.60.0310.01419.46
7.1.50.0240.01716.69
7.1.00.0230.07022.36
7.0.200.0100.00316.65
7.0.140.0170.07321.95
7.0.120.0100.07722.16
7.0.110.0170.07722.01
7.0.100.0200.07022.15
7.0.90.0070.08722.07
7.0.80.0230.06722.14
7.0.70.0130.07722.10
7.0.60.0200.07022.05
7.0.50.0130.07722.08
7.0.40.0130.07322.18
7.0.30.0170.07022.18
7.0.20.0170.07322.19
7.0.10.0100.06022.20
7.0.00.0270.07022.17
5.6.280.0200.06721.07
5.6.260.0130.07720.89
5.6.250.0170.08020.89
5.6.240.0130.05321.01
5.6.230.0070.08021.03
5.6.220.0130.06321.06
5.6.210.0270.06320.87
5.6.200.0130.07321.06
5.6.190.0200.07020.79
5.6.180.0270.06321.04
5.6.170.0170.06720.94
5.6.160.0170.06720.82
5.6.150.0100.06720.83
5.6.140.0200.06320.79
5.6.130.0170.05720.79
5.6.120.0130.07321.00
5.6.110.0170.07720.80
5.6.100.0130.07720.82
5.6.90.0270.06321.07
5.6.80.0100.06320.21
5.6.70.0230.06020.20
5.6.60.0170.06720.41
5.6.50.0270.06720.13
5.6.40.0130.07320.25
5.6.30.0200.07020.11
5.6.20.0300.06720.27
5.6.10.0200.06720.21
5.6.00.0130.06020.44
5.5.380.0000.06317.46
5.5.370.0030.07017.55
5.5.360.0000.07717.69
5.5.350.0030.06717.58
5.5.340.0030.04318.10
5.5.330.0000.06318.14
5.5.320.0030.07018.26
5.5.310.0070.06318.10
5.5.300.0000.05718.05
5.5.290.0030.07718.25
5.5.280.0030.07317.85
5.5.270.0030.07018.09
5.5.260.0000.06718.09
5.5.250.0030.07317.93
5.5.240.0000.07017.47
5.5.230.0030.07317.50
5.5.220.0030.07017.43
5.5.210.0030.06717.48
5.5.200.0030.07017.28
5.5.190.0070.06717.40
5.5.180.0030.06717.42
5.5.160.0030.06717.45
5.5.150.0030.06717.39
5.5.140.0070.06317.57
5.5.130.0000.07017.30
5.5.120.0000.07017.44
5.5.110.0070.05717.25
5.5.100.0030.06017.51
5.5.90.0030.06717.50
5.5.80.0070.06317.32
5.5.70.0070.06717.29
5.5.60.0000.05317.49
5.5.50.0000.06317.17
5.5.40.0000.07017.50
5.5.30.0070.06317.49
5.5.20.0030.06717.32
5.5.10.0070.06717.07
5.5.00.0000.07317.36
5.4.450.0030.06019.51
5.4.440.0000.07319.32
5.4.430.0030.07019.32
5.4.420.0030.06719.30
5.4.410.0030.06019.34
5.4.400.0030.06319.13
5.4.390.0070.06719.00
5.4.380.0030.06719.31
5.4.370.0000.05019.17
5.4.360.0030.06718.94
5.4.350.0030.06719.14
5.4.340.0030.06719.17
5.4.320.0030.07019.17
5.4.310.0030.06719.18
5.4.300.0030.06719.14
5.4.290.0070.06319.34
5.4.280.0000.07318.93
5.4.270.0030.06719.08
5.4.260.0030.06019.17
5.4.250.0000.07019.08
5.4.240.0030.06719.16
5.4.230.0000.07019.23
5.4.220.0070.06319.21
5.4.210.0000.05719.23
5.4.200.0070.06018.99
5.4.190.0070.06019.13
5.4.180.0030.06719.23
5.4.170.0030.06319.30
5.4.160.0030.06718.99
5.4.150.0070.06718.92
5.4.140.0000.06016.33
5.4.130.0000.06716.32
5.4.120.0030.06316.39
5.4.110.0000.06316.65
5.4.100.0000.06316.31
5.4.90.0100.05316.54
5.4.80.0030.05716.24
5.4.70.0000.06316.54
5.4.60.0030.06016.47
5.4.50.0070.06016.47
5.4.40.0000.06316.69
5.4.30.0000.06716.50
5.4.20.0000.06316.38
5.4.10.0030.06316.46
5.4.00.0000.06715.95

preferences:
35.4 ms | 401 KiB | 5 Q