3v4l.org

run code in 300+ PHP versions simultaneously
<?php $FahNum=0; while ($FahNum<=100) { $FahNum += 1; $Cel = ($FahNum - 32) * 0.56; echo " $FahNum converted to fahrenheit is $Cel <br /> "; }

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)
8.3.40.0190.00318.54
8.3.30.0000.01519.04
8.3.20.0100.00320.09
8.3.10.0080.00022.14
8.3.00.0040.00422.57
8.2.170.0000.01422.96
8.2.160.0030.01020.41
8.2.150.0040.00424.18
8.2.140.0000.00924.66
8.2.130.0110.00726.16
8.2.120.0120.00018.16
8.2.110.0030.00619.23
8.1.270.0000.00820.48
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0000.00919.13
7.4.10.0050.01315.35
7.4.00.0070.01015.40
7.3.130.0070.01015.29
7.3.120.0070.00815.29
7.3.110.0080.00915.28
7.3.100.0090.00615.23
7.3.90.0080.00915.31
7.3.80.0020.00915.20
7.3.70.0070.00915.22
7.3.60.0070.00715.24
7.3.50.0080.00615.27
7.3.40.0040.00915.29
7.3.30.0070.00615.17
7.3.20.0030.00917.02
7.3.10.0080.00817.00
7.3.00.0080.00816.98
7.2.260.0080.01215.43
7.2.250.0090.00815.40
7.2.240.0050.01115.42
7.2.230.0050.01215.34
7.2.220.0070.00915.49
7.2.210.0090.00615.36
7.2.200.0030.00915.37
7.2.190.0040.01215.35
7.2.180.0080.00715.42
7.2.170.0020.01115.31
7.2.160.0020.01115.45
7.2.150.0050.01117.26
7.2.140.0080.00717.26
7.2.130.0030.01117.17
7.2.120.0100.00517.32
7.2.110.0060.01017.29
7.2.100.0080.00817.28
7.2.90.0090.00617.23
7.2.80.0020.01517.36
7.2.70.0120.00317.40
7.2.60.0090.00717.36
7.2.50.0070.00717.26
7.2.40.0070.00917.35
7.2.30.0080.00617.31
7.2.20.0090.00617.30
7.2.10.0050.01017.36
7.2.00.0040.00917.78
7.1.330.0070.00816.32
7.1.320.0050.00816.37
7.1.310.0040.01016.23
7.1.300.0070.00916.30
7.1.290.0040.01016.35
7.1.280.0060.00816.27
7.1.270.0060.00916.28
7.1.260.0080.00616.22
7.1.250.0050.00916.29
7.1.240.0020.01316.28
7.1.230.0080.00816.17
7.1.220.0120.00116.13
7.1.210.0100.00616.14
7.1.200.0080.00616.14
7.1.190.0070.00716.21
7.1.180.0050.00616.29
7.1.170.0070.00716.19
7.1.160.0070.00816.32
7.1.150.0040.01116.24
7.1.140.0050.00616.27
7.1.130.0050.00916.28
7.1.120.0050.00916.21
7.1.110.0080.00516.25
7.1.100.0100.00416.33
7.1.90.0090.00716.21
7.1.80.0060.00916.21
7.1.70.0060.00616.42
7.1.60.0050.01016.47
7.1.50.0070.01016.42
7.1.40.0080.00716.21
7.1.30.0050.00716.22
7.1.20.0020.01116.24
7.1.10.0060.00816.23
7.1.00.0080.02017.73
7.0.330.0080.01015.91
7.0.320.0110.00815.84
7.0.310.0050.01315.97
7.0.300.0070.01215.89
7.0.290.0050.01115.90
7.0.280.0030.00815.83
7.0.270.0150.00315.85
7.0.260.0100.00716.04
7.0.250.0050.01215.90
7.0.240.0090.00916.04
7.0.230.0090.00916.00
7.0.220.0040.01215.88
7.0.210.0070.01215.97
7.0.200.0080.00916.20
7.0.190.0060.00815.90
7.0.180.0090.00815.89
7.0.170.0060.01115.98
7.0.160.0130.00615.84
7.0.150.0070.01115.94
7.0.140.0090.02317.52
7.0.130.0070.01115.84
7.0.120.0070.01116.00
7.0.110.0050.01115.87
7.0.100.0070.01016.04
7.0.90.0120.00515.87
7.0.80.0050.01115.91
7.0.70.0090.00715.99
7.0.60.0160.02416.98
7.0.50.0110.02416.40
7.0.40.0070.02815.34
7.0.30.0200.02315.53
7.0.20.0150.01515.40
7.0.10.0100.02415.05
7.0.00.0070.01815.38
5.6.400.0060.00815.18
5.6.390.0110.00914.83
5.6.380.0080.00614.99
5.6.370.0070.01014.81
5.6.360.0090.01114.97
5.6.350.0060.00814.72
5.6.340.0050.00814.98
5.6.330.0100.00814.87
5.6.320.0100.01014.96
5.6.310.0120.00714.95
5.6.300.0080.00915.02
5.6.290.0080.01014.84
5.6.280.0070.02816.44
5.6.270.0070.01214.81
5.6.260.0080.01114.84
5.6.250.0050.01214.95
5.6.240.0080.01014.85
5.6.230.0100.00814.88
5.6.220.0080.00914.95
5.6.210.0060.02316.21
5.6.200.0100.02515.58
5.6.190.0050.02216.34
5.6.180.0160.01915.60
5.6.170.0210.02015.56
5.6.160.0120.02416.21
5.6.150.0090.01715.72
5.6.140.0080.02615.80
5.6.130.0070.02715.69
5.6.120.0110.01616.39
5.6.110.0080.03116.36
5.6.100.0080.03016.26
5.6.90.0060.02415.73
5.6.80.0100.01616.16
5.6.70.0050.01114.69
5.6.60.0080.00613.87
5.6.50.0050.00913.81
5.6.40.0060.00813.92
5.6.30.0090.01014.82
5.6.20.0080.00914.88
5.6.10.0090.00914.81
5.6.00.0110.00414.65
5.5.380.0080.00914.84
5.5.370.0080.01114.70
5.5.360.0090.00814.78
5.5.350.0090.02715.53
5.5.340.0070.03015.64
5.5.330.0050.03116.15
5.5.320.0100.03016.15
5.5.310.0120.02816.17
5.5.300.0080.02415.45
5.5.290.0080.02915.47
5.5.280.0080.02816.28
5.5.270.0100.01516.30
5.5.260.0090.02816.31
5.5.250.0080.02516.19
5.5.240.0080.02816.12
5.5.230.0060.00713.86
5.5.220.0130.00614.63
5.5.210.0130.00414.65
5.5.200.0110.00914.64
5.5.190.0080.00713.91
5.5.180.0080.00814.74
5.5.170.0030.01414.72
5.5.160.0060.00914.50
5.5.150.0070.01014.79
5.5.140.0070.00914.57
5.5.130.0060.00813.96
5.5.120.0100.00614.59
5.5.110.0110.00614.71
5.5.100.0070.01014.43
5.5.90.0090.00914.72
5.5.80.0080.00914.64
5.5.70.0110.00614.61
5.5.60.0080.00914.71
5.5.50.0050.01014.75
5.5.40.0130.00514.57
5.5.30.0080.00914.71
5.5.20.0090.00714.64
5.5.10.0100.00614.63
5.5.00.0110.00614.68
5.4.450.0170.02214.19
5.4.440.0090.02114.15
5.4.430.0210.02314.08
5.4.420.0080.02014.18
5.4.410.0060.02014.15
5.4.400.0170.01813.90
5.4.390.0170.01814.00
5.4.380.0110.01813.92
5.4.370.0090.01613.94
5.4.360.0150.01613.99
5.4.350.0080.01212.26
5.4.340.0070.01512.31
5.4.330.0050.00912.37
5.4.320.0060.01512.38
5.4.310.0070.01512.41
5.4.300.0060.01412.35
5.4.290.0030.01812.37
5.4.280.0070.01412.36
5.4.270.0060.01512.32
5.4.260.0070.01312.32
5.4.250.0050.02213.97
5.4.240.0080.01714.01
5.4.230.0090.01514.00
5.4.220.0080.01714.07
5.4.210.0050.02513.96
5.4.200.0070.02113.90
5.4.190.0100.01913.86
5.4.180.0040.02114.00
5.4.170.0070.01813.98
5.4.160.0090.01513.86
5.4.150.0050.02013.95
5.4.140.0060.01713.30
5.4.130.0050.01913.26
5.4.120.0070.01913.33
5.4.110.0050.02013.41
5.4.100.0080.02213.35
5.4.90.0080.02113.38
5.4.80.0090.01813.32
5.4.70.0080.01613.37
5.4.60.0120.01213.35
5.4.50.0050.01913.31
5.4.40.0080.01413.34
5.4.30.0080.01513.36
5.4.20.0040.02413.31
5.4.10.0080.02113.37
5.4.00.0050.01813.18
5.3.290.0040.01912.40
5.3.280.0090.01512.76
5.3.270.0080.02012.78
5.3.260.0060.01912.72
5.3.250.0100.01512.75
5.3.240.0040.02012.73
5.3.230.0060.01812.77
5.3.220.0070.01912.75
5.3.210.0090.01712.72
5.3.200.0090.02112.73
5.3.190.0050.01912.78
5.3.180.0080.01712.80
5.3.170.0070.01512.77
5.3.160.0070.01612.78
5.3.150.0090.01612.84
5.3.140.0070.01712.79
5.3.130.0050.01912.78
5.3.120.0050.02512.74
5.3.110.0060.02312.78
5.3.100.0060.02112.65
5.3.90.0020.02012.57
5.3.80.0050.02012.60
5.3.70.0060.01912.64
5.3.60.0090.01512.63
5.3.50.0050.02112.62
5.3.40.0070.01812.54
5.3.30.0070.02312.60
5.3.20.0090.01612.51
5.3.10.0060.01712.46
5.3.00.0070.02212.40
5.2.170.0100.06010.91
5.2.160.0100.04011.16
5.2.150.0130.05311.07
5.2.140.0170.03311.07
5.2.130.0200.03310.98
5.2.120.0130.04011.02
5.2.110.0030.04011.19
5.2.100.0030.04311.10
5.2.90.0130.04011.10
5.2.80.0130.05311.09
5.2.70.0030.04311.09
5.2.60.0130.04711.06
5.2.50.0070.04010.94
5.2.40.0000.04310.91
5.2.30.0200.04710.90
5.2.20.0030.04710.96
5.2.10.0030.04010.68
5.2.00.0170.02710.77
5.1.60.0030.03310.23
5.1.50.0100.03010.14
5.1.40.0030.03710.13
5.1.30.0070.05010.30
5.1.20.0070.05310.51
5.1.10.0100.03310.12
5.1.00.0070.03310.13
5.0.50.0070.0378.77
5.0.40.0070.0338.46
5.0.30.0030.0408.22
5.0.20.0100.0308.23
5.0.10.0030.0278.14
5.0.00.0000.0438.22
4.4.90.0030.0206.89
4.4.80.0030.0206.89
4.4.70.0030.0236.89
4.4.60.0070.0206.89
4.4.50.0000.0236.89
4.4.40.0000.0506.89
4.4.30.0070.0176.89
4.4.20.0000.0306.89
4.4.10.0000.0236.89
4.4.00.0000.0376.89
4.3.110.0000.0306.89
4.3.100.0070.0276.89
4.3.90.0030.0206.89
4.3.80.0000.0336.89
4.3.70.0030.0236.89
4.3.60.0000.0336.89
4.3.50.0100.0206.89
4.3.40.0030.0376.89
4.3.30.0000.0236.89
4.3.20.0070.0206.89
4.3.10.0000.0306.89
4.3.00.0100.0176.42

preferences:
39.01 ms | 400 KiB | 5 Q