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) + 1) { 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)
8.3.70.0130.01018.56
8.3.60.0090.00618.30
8.3.50.0090.00616.16
8.3.40.0060.00918.68
8.3.30.0080.00818.54
8.3.20.0030.00519.08
8.3.10.0100.00019.12
8.3.00.0040.00417.68
8.2.190.0110.00416.58
8.2.180.0160.00316.32
8.2.170.0140.00722.96
8.2.160.0090.00918.91
8.2.150.0070.00025.66
8.2.140.0050.00324.66
8.2.130.0080.00019.64
8.2.120.0020.00526.35
8.2.110.0060.00322.26
8.2.100.0120.00317.78
8.2.90.0040.00417.63
8.2.80.0050.00318.77
8.2.70.0000.00918.05
8.2.60.0080.00018.04
8.2.50.0000.00818.10
8.2.40.0070.00019.30
8.2.30.0050.00319.35
8.2.20.0000.00717.92
8.2.10.0040.00418.09
8.2.00.0030.00521.16
8.1.280.0120.00325.92
8.1.270.0000.00723.91
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00623.97
8.1.230.0090.00319.10
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0080.00017.35
8.1.190.0000.00817.23
8.1.180.0030.00518.10
8.1.170.0030.00518.66
8.1.160.0000.00718.75
8.1.150.0000.00718.82
8.1.140.0000.00717.72
8.1.130.0000.00818.99
8.1.120.0050.00217.47
8.1.110.0000.00717.32
8.1.100.0000.00717.39
8.1.90.0000.01117.49
8.1.80.0040.00417.41
8.1.70.0030.00317.49
8.1.60.0040.00417.50
8.1.50.0050.00317.46
8.1.40.0040.00417.52
8.1.30.0040.00417.68
8.1.20.0040.00417.52
8.1.10.0000.00717.46
8.1.00.0000.00817.46
8.0.300.0000.00720.02
8.0.290.0040.00416.75
8.0.280.0030.00318.43
8.0.270.0030.00517.12
8.0.260.0040.00417.23
8.0.250.0000.00716.90
8.0.240.0050.00316.86
8.0.230.0040.00216.82
8.0.220.0040.00416.77
8.0.210.0030.00316.89
8.0.200.0040.00416.97
8.0.190.0070.00016.94
8.0.180.0080.00016.89
8.0.170.0040.00416.91
8.0.160.0050.00316.77
8.0.150.0000.00716.93
8.0.140.0040.00416.75
8.0.130.0060.00013.24
8.0.120.0000.00716.74
8.0.110.0030.00316.84
8.0.100.0040.00416.74
8.0.90.0050.00216.93
8.0.80.0100.00816.86
8.0.70.0040.00416.65
8.0.60.0080.00016.82
8.0.50.0040.00416.71
8.0.30.0110.00817.18
8.0.20.0130.01017.40
8.0.10.0080.00016.75
8.0.00.0110.01116.78
7.4.330.0000.00615.55
7.4.320.0000.00616.50
7.4.300.0030.00316.38
7.4.290.0000.00716.43
7.4.280.0040.00416.42
7.4.270.0030.00316.53
7.4.260.0030.00316.35
7.4.250.0000.00816.45
7.4.240.0030.00316.41
7.4.230.0030.00316.64
7.4.220.0030.00616.45
7.4.210.0090.00516.59
7.4.200.0000.00716.45
7.4.160.0080.00816.41
7.4.140.0110.00717.86
7.4.130.0090.00916.42
7.4.120.0090.00916.49
7.4.110.0000.01616.52
7.4.100.0060.01116.42
7.4.90.0110.00616.32
7.4.80.0070.01119.39
7.4.70.0140.00816.38
7.4.60.0140.00316.36
7.4.50.0080.00516.30
7.4.40.0100.01416.62
7.4.10.0070.01114.86
7.4.00.0070.01014.87
7.3.330.0000.00513.09
7.3.320.0070.00013.09
7.3.310.0020.00516.29
7.3.300.0030.00316.16
7.3.290.0030.00316.22
7.3.280.0090.00616.23
7.3.260.0060.01216.41
7.3.240.0100.00616.41
7.3.230.0040.01216.37
7.3.210.0120.00916.41
7.3.200.0160.00616.43
7.3.190.0120.00616.36
7.3.180.0080.00816.51
7.3.170.0000.01616.21
7.3.160.0030.01716.26
7.3.130.0130.00614.99
7.3.120.0110.00614.78
7.3.110.0100.00814.95
7.3.100.0070.00814.92
7.3.90.0100.00314.68
7.3.80.0050.00914.73
7.3.70.0050.00914.69
7.3.60.0050.00814.82
7.3.50.0060.00614.70
7.3.40.0060.00814.67
7.3.30.0060.00614.74
7.3.20.0050.00916.62
7.3.10.0030.01216.55
7.3.00.0060.00716.51
7.2.330.0090.01316.40
7.2.320.0120.01216.34
7.2.310.0130.00816.32
7.2.300.0110.00616.65
7.2.290.0130.01216.72
7.2.260.0070.00715.06
7.2.250.0090.00915.06
7.2.240.0080.01014.95
7.2.230.0080.00715.09
7.2.220.0060.00615.00
7.2.210.0070.00614.91
7.2.200.0040.01014.93
7.2.190.0060.01015.00
7.2.180.0070.00614.96
7.2.170.0060.00914.96
7.2.160.0030.01015.04
7.2.150.0070.01116.74
7.2.140.0030.01616.96
7.2.130.0060.00317.13
7.2.120.0060.00916.64
7.2.110.0060.00617.06
7.2.100.0070.00316.92
7.2.90.0060.00616.94
7.2.80.0030.00616.82
7.2.70.0030.01316.98
7.2.60.1220.00415.97
7.2.50.1300.00816.02
7.2.40.1300.00916.04
7.2.30.1260.01016.11
7.2.20.1190.00916.19
7.2.10.1380.01016.14
7.2.00.1110.01116.14
7.1.330.0060.00915.77
7.1.320.0070.00615.99
7.1.310.0090.00515.75
7.1.300.0070.00615.70
7.1.290.0060.00615.73
7.1.280.0050.00515.82
7.1.270.0030.01015.79
7.1.260.0050.00815.76
7.1.250.0030.01315.65
7.1.240.0040.00815.88
7.1.230.0110.00016.03
7.1.220.0070.00716.05
7.1.210.0040.00415.88
7.1.200.0030.01015.84
7.1.190.0070.01015.44
7.1.180.0070.00715.89
7.1.170.1140.00514.92
7.1.160.0970.00916.28
7.1.150.1180.01116.37
7.1.140.1030.00716.09
7.1.130.1140.00716.17
7.1.120.1210.00816.44
7.1.110.0940.01015.95
7.1.100.1280.00815.95
7.1.90.1130.00915.93
7.1.80.1100.01016.14
7.1.70.1290.00615.46
7.1.60.1560.01024.55
7.1.50.1330.00924.45
7.1.40.1570.01124.15
7.1.30.1460.01324.32
7.1.20.1660.00924.32
7.1.10.1420.01115.49
7.1.00.1130.00815.36
7.0.330.0040.00715.23
7.0.320.0100.00315.21
7.0.310.0030.00915.55
7.0.300.0060.00615.64
7.0.290.0090.00615.50
7.0.280.0070.00715.63
7.0.270.0070.00715.40
7.0.260.0030.00515.61
7.0.250.0090.00615.48
7.0.240.0000.00815.49
7.0.230.0000.01315.56
7.0.220.0130.00015.53
7.0.210.0040.01215.60
7.0.200.0100.00015.40
7.0.190.0060.00615.53
7.0.180.0100.00315.43
7.0.170.0000.01315.57
7.0.160.0100.00315.61
7.0.150.0040.01115.60
7.0.140.0030.00915.61
7.0.130.0060.00615.57
7.0.120.0040.00815.60
7.0.110.0070.00715.32
7.0.100.0060.00815.23
7.0.90.0070.00715.56
7.0.80.0000.01315.56
7.0.70.0070.01115.20
7.0.60.0040.01115.41
7.0.50.0030.01115.51
7.0.40.0030.00913.62
7.0.30.0030.01013.41
7.0.20.0030.00913.54
7.0.10.0030.01013.50
7.0.00.0070.00713.27
5.6.400.0100.00314.41
5.6.390.0090.00614.24
5.6.380.0110.00314.10
5.6.370.0040.00914.36
5.6.360.0040.01114.34
5.6.350.0060.00914.34
5.6.340.0110.00414.27
5.6.330.0030.01014.24
5.6.320.0080.00614.68
5.6.310.0070.00713.96
5.6.300.0070.00714.34
5.6.290.0070.01014.27
5.6.280.0030.00714.30
5.6.270.0030.00914.43
5.6.260.0030.00914.24
5.6.250.0080.01114.46
5.6.240.0060.00914.16
5.6.230.0080.00814.43
5.6.220.0030.01014.41
5.6.210.0100.00014.16
5.6.200.0100.00614.41
5.6.190.0030.01014.17
5.6.180.0000.01514.10
5.6.170.0090.00314.25
5.6.160.0030.00914.46
5.6.150.0030.01014.41
5.6.140.0100.00714.36
5.6.130.0080.00614.47
5.6.120.0060.00614.41
5.6.110.0070.00314.20
5.6.100.0110.00414.56
5.6.90.0040.01114.16
5.6.80.0030.01314.52
5.6.70.0130.00314.19
5.6.60.0060.00614.13
5.6.50.0070.00414.05
5.6.40.0030.00513.98
5.6.30.0060.00614.20
5.6.20.0130.00014.30
5.6.10.0040.00814.40
5.6.00.0060.00614.23

preferences:
67.09 ms | 401 KiB | 5 Q