3v4l.org

run code in 300+ PHP versions simultaneously
<?php $int = 3; $exponent = 0; $count = 1; for ($i = 2; $i <= $int; $i++) { echo $i . PHP_EOL; echo pow(2, $exponent) . PHP_EOL; if ($i > pow(2, $exponent)) { echo 'here' . PHP_EOL; $count++; $exponent++; } } echo $count;

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)
8.3.60.0110.00618.36
8.3.50.0060.00916.59
8.3.40.0130.00318.54
8.3.30.0100.00718.45
8.3.20.0040.00418.84
8.3.10.0080.00018.98
8.3.00.0000.00817.68
8.2.180.0240.00316.35
8.2.170.0110.00322.96
8.2.160.0090.00619.07
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0060.00319.83
8.2.120.0060.00326.35
8.2.110.0060.00321.11
8.2.100.0110.00017.72
8.2.90.0090.00017.75
8.2.80.0030.00918.41
8.2.70.0000.00817.50
8.2.60.0080.00017.38
8.2.50.0090.00017.50
8.2.40.0050.00317.63
8.2.30.0070.00019.43
8.2.20.0000.00718.10
8.2.10.0040.00418.05
8.2.00.0000.00721.23
8.1.280.0120.00625.92
8.1.270.0000.00724.02
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0030.00617.71
8.1.230.0040.00718.95
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0040.00417.35
8.1.190.0000.00817.23
8.1.180.0130.00018.10
8.1.170.0090.00017.62
8.1.160.0040.00418.94
8.1.150.0070.00018.92
8.1.140.0050.00217.57
8.1.130.0060.00018.95
8.1.120.0040.00417.36
8.1.110.0080.00017.34
8.1.100.0000.00717.46
8.1.90.0030.00617.45
8.1.80.0040.00417.36
8.1.70.0030.00617.46
8.1.60.0050.00517.61
8.1.50.0000.00817.38
8.1.40.0000.00817.50
8.1.30.0040.00417.53
8.1.20.0000.00917.65
8.1.10.0040.00417.39
8.1.00.0040.00417.41
8.0.300.0060.00318.77
8.0.290.0070.00016.75
8.0.280.0040.00418.44
8.0.270.0030.00317.24
8.0.260.0030.00517.12
8.0.250.0000.00716.96
8.0.240.0000.00716.86
8.0.230.0000.00716.91
8.0.220.0050.00316.74
8.0.210.0000.00716.84
8.0.200.0080.00016.97
8.0.190.0000.00816.96
8.0.180.0030.00516.94
8.0.170.0000.00916.76
8.0.160.0040.00416.96
8.0.150.0030.00716.83
8.0.140.0030.00416.86
8.0.130.0000.00513.32
8.0.120.0000.00716.82
8.0.110.0000.00816.79
8.0.100.0020.00516.77
8.0.90.0040.00416.68
8.0.80.0100.00616.85
8.0.70.0040.00416.91
8.0.60.0030.00516.90
8.0.50.0000.00716.78
8.0.30.0060.01517.15
8.0.20.0110.01017.40
8.0.10.0000.00716.94
8.0.00.0100.00816.86
7.4.330.0020.00215.55
7.4.320.0070.00016.48
7.4.300.0030.00316.56
7.4.290.0070.00016.55
7.4.280.0000.00716.34
7.4.270.0000.00616.41
7.4.260.0000.00716.40
7.4.250.0040.00416.41
7.4.240.0070.00016.41
7.4.230.0030.00316.36
7.4.220.0060.00316.33
7.4.210.0070.00916.44
7.4.200.0030.00316.55
7.4.160.0130.00416.38
7.4.140.0070.01117.86
7.4.130.0070.01516.54
7.4.120.0100.00916.50
7.4.110.0070.01016.31
7.4.100.0100.00616.35
7.4.90.0110.01116.37
7.4.80.0130.00519.39
7.4.70.0140.00916.48
7.4.60.0080.00816.41
7.4.50.0070.01116.04
7.4.40.0210.00416.49
7.4.00.0100.00814.84
7.3.330.0060.00013.10
7.3.320.0050.00313.01
7.3.310.0050.00216.30
7.3.300.0000.00716.25
7.3.290.0030.00316.23
7.3.280.0050.00916.21
7.3.260.0110.00816.42
7.3.240.0080.01016.45
7.3.230.0120.00616.54
7.3.210.0070.01416.48
7.3.200.0110.00716.43
7.3.190.0070.01116.38
7.3.180.0130.00316.45
7.3.170.0130.00316.25
7.3.160.0030.01316.28
7.3.120.0130.00614.82
7.3.110.0030.01314.52
7.3.100.0110.00314.78
7.3.90.0040.01514.77
7.3.80.0060.00914.44
7.3.70.0040.01114.77
7.3.60.0030.00914.73
7.3.50.0070.00714.61
7.3.40.0150.00014.88
7.3.30.0070.01014.59
7.3.20.0030.00716.68
7.3.10.0060.00616.59
7.3.00.0130.00016.82
7.2.330.0110.00916.64
7.2.320.0060.01216.57
7.2.310.0160.00716.69
7.2.300.0060.01216.80
7.2.290.0100.01416.68
7.2.250.0060.01315.29
7.2.240.0060.01014.86
7.2.230.0070.01314.80
7.2.220.0100.00714.93
7.2.210.0040.01515.20
7.2.200.0000.00914.82
7.2.190.0100.00314.89
7.2.180.0120.00615.00
7.2.170.0120.00614.79
7.2.60.1980.00815.04
7.2.50.2640.01014.97
7.2.40.2440.01415.23
7.2.30.2830.00915.37
7.2.20.2320.00915.33
7.2.10.2310.01215.45
7.2.00.2410.01115.54
7.1.330.0060.00916.12
7.1.320.0030.01015.98
7.1.310.0120.00315.81
7.1.300.0100.00615.66
7.1.290.0090.00615.64
7.1.280.0060.00915.79
7.1.270.0130.00015.46
7.1.260.0100.00615.66
7.1.200.0040.00715.96
7.1.170.3260.00813.99
7.1.160.2930.00916.77
7.1.150.2420.01216.76
7.1.140.2280.01016.64
7.1.130.2080.01016.91
7.1.120.2340.01316.93
7.1.110.2350.00816.09
7.1.100.2020.01216.21
7.1.90.2540.01316.18
7.1.80.2540.01016.20
7.1.70.2480.01015.19
7.1.60.2130.01633.39
7.1.50.3500.01432.72
7.1.40.3140.01432.75
7.1.30.3140.01232.57
7.1.20.3230.01432.64
7.1.10.3090.01414.55
7.1.00.2230.01015.07

preferences:
60.14 ms | 400 KiB | 5 Q