3v4l.org

run code in 300+ PHP versions simultaneously
<?php $num = 8; $num **= 2; printf($num); // output "65" ?>

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)
8.3.40.0100.00418.54
8.3.30.0070.00719.06
8.3.20.0080.00020.13
8.3.10.0070.00022.17
8.3.00.0000.00722.43
8.2.170.0110.00422.96
8.2.160.0070.00720.38
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0070.00726.16
8.2.120.0080.00019.38
8.2.110.0030.00622.07
8.2.100.0040.00817.72
8.2.90.0040.00419.09
8.2.80.0030.00517.97
8.2.70.0080.00017.50
8.2.60.0000.00817.80
8.2.50.0040.00418.10
8.2.40.0000.00820.59
8.2.30.0050.00320.94
8.2.20.0040.00417.52
8.2.10.0090.00019.32
8.2.00.0040.00417.61
8.1.270.0040.01122.05
8.1.260.0070.00026.35
8.1.250.0050.00228.09
8.1.240.0000.00823.83
8.1.230.0070.00417.77
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0000.00917.00
8.1.190.0030.00517.10
8.1.180.0050.00318.10
8.1.170.0040.00418.59
8.1.160.0070.00018.69
8.1.150.0070.00020.02
8.1.140.0000.00717.28
8.1.130.0030.00317.75
8.1.120.0040.00417.29
8.1.110.0020.00517.41
8.1.100.0030.00517.41
8.1.90.0030.00317.32
8.1.80.0070.00017.27
8.1.70.0070.00017.39
8.1.60.0080.00417.55
8.1.50.0040.00417.42
8.1.40.0020.00517.31
8.1.30.0040.00417.52
8.1.20.0030.00617.56
8.1.10.0000.00717.39
8.1.00.0030.00517.41
8.0.300.0040.00418.77
8.0.290.0060.00316.75
8.0.280.0030.00318.36
8.0.270.0040.00417.24
8.0.260.0040.00416.79
8.0.250.0070.00016.88
8.0.240.0000.00716.78
8.0.230.0040.00416.79
8.0.220.0000.00716.79
8.0.210.0000.00716.71
8.0.200.0060.00316.93
8.0.190.0000.00716.86
8.0.180.0040.00416.85
8.0.170.0040.00416.86
8.0.160.0000.00716.86
8.0.150.0000.00716.68
8.0.140.0030.00616.79
8.0.130.0000.00613.22
8.0.120.0040.00416.69
8.0.110.0070.00016.73
8.0.100.0070.00016.75
8.0.90.0040.00416.68
8.0.80.0070.00716.86
8.0.70.0000.00716.81
8.0.60.0040.00416.61
8.0.50.0000.00816.76
8.0.30.0090.01016.91
8.0.20.0080.01417.40
8.0.10.0000.00717.02
8.0.00.0090.00816.56
7.4.330.0000.00515.01
7.4.320.0030.00316.43
7.4.300.0030.00316.36
7.4.290.0070.00016.36
7.4.280.0040.00416.41
7.4.270.0000.00716.52
7.4.260.0000.00716.50
7.4.250.0050.00216.38
7.4.240.0000.00716.47
7.4.230.0000.00716.27
7.4.220.0160.01016.45
7.4.210.0080.00816.47
7.4.200.0070.00016.56
7.4.190.0070.00016.60
7.4.160.0030.01216.43
7.4.150.0090.00917.40
7.4.140.0080.01217.86
7.4.130.0130.00616.32
7.4.120.0050.01216.47
7.4.110.0100.01416.45
7.4.100.0090.00916.30
7.4.90.0070.01016.48
7.4.80.0060.01219.39
7.4.70.0040.01416.41
7.4.60.0110.00716.26
7.4.50.0050.00016.48
7.4.40.0090.00622.77
7.4.30.0100.00616.36
7.4.00.0040.01314.79
7.3.330.0060.00012.93
7.3.320.0000.00512.84
7.3.310.0000.00716.05
7.3.300.0000.00616.05
7.3.290.0100.00316.16
7.3.280.0090.00816.17
7.3.270.0080.01217.40
7.3.260.0050.01316.30
7.3.250.0110.00816.27
7.3.240.0110.00616.07
7.3.230.0100.00716.39
7.3.210.0130.00316.18
7.3.200.0060.01019.39
7.3.190.0070.01416.04
7.3.180.0090.00616.15
7.3.170.0080.00816.37
7.3.160.0130.00316.09
7.3.120.0030.01114.79
7.3.110.0030.01514.70
7.3.100.0060.01214.90
7.3.90.0070.01014.69
7.3.80.0000.01514.61
7.3.70.0070.00714.78
7.3.60.0060.00914.71
7.3.50.0030.01014.73
7.3.40.0040.01114.70
7.3.30.0070.00714.71
7.3.20.0030.01216.63
7.3.10.0070.00716.36
7.3.00.0110.00016.64
7.2.330.0130.00716.45
7.2.320.0100.00716.52
7.2.310.0160.00016.47
7.2.300.0120.00416.39
7.2.290.0100.00716.26
7.2.250.0100.01015.02
7.2.240.0090.00614.99
7.2.230.0110.00414.58
7.2.220.0120.00314.64
7.2.210.0060.00914.63
7.2.200.0070.01014.81
7.2.190.0060.01015.11
7.2.180.0060.00914.68
7.2.170.0060.00914.49
7.2.160.0030.01014.81
7.2.150.0090.00916.67
7.2.140.0030.01016.80
7.2.130.0090.00316.59
7.2.120.0040.01116.73
7.2.110.0060.00916.76
7.2.100.0090.00616.79
7.2.90.0060.00916.71
7.2.80.0110.00716.73
7.2.70.0060.00916.82
7.2.60.0110.00316.65
7.2.50.0100.00716.79
7.2.40.0070.00716.77
7.2.30.0060.01216.89
7.2.20.0090.00916.84
7.2.10.0060.00916.88
7.2.00.0020.00917.89
7.1.330.0100.00615.75
7.1.320.0030.01315.97
7.1.310.0000.00916.11
7.1.300.0000.01615.87
7.1.290.0000.01415.66
7.1.280.0030.00615.88
7.1.270.0030.00615.51
7.1.260.0090.00015.88
7.1.250.0040.01115.71
7.1.240.0120.00315.79
7.1.230.0090.00615.90
7.1.220.0000.01315.90
7.1.210.0090.00615.72
7.1.200.0050.00715.91
7.1.190.0070.01015.77
7.1.180.0070.01015.49
7.1.170.0070.00415.82
7.1.160.0050.00815.82
7.1.150.0040.01115.93
7.1.140.0090.00915.53
7.1.130.0100.00015.51
7.1.120.0100.00315.55
7.1.110.0070.00715.55
7.1.100.0020.01216.85
7.1.90.0070.01015.73
7.1.80.0100.00315.88
7.1.70.0050.00816.20
7.1.60.0040.01016.52
7.1.50.0040.01416.34
7.1.40.0120.00315.56
7.1.30.0060.00915.73
7.1.20.0030.00915.84
7.1.10.0080.00315.48
7.1.00.0020.04519.11
7.0.330.0110.00415.43
7.0.320.0060.00615.53
7.0.310.0000.01415.57
7.0.300.0060.00715.52
7.0.290.0060.00615.35
7.0.280.0070.01015.50
7.0.270.0090.00315.25
7.0.260.0000.01215.34
7.0.250.0060.00815.34
7.0.240.0030.01315.45
7.0.230.0040.00415.46
7.0.220.0050.00515.57
7.0.210.0060.00915.45
7.0.200.0040.00515.79
7.0.190.0000.01315.43
7.0.180.0000.00915.29
7.0.170.0000.01215.07
7.0.160.0090.00615.28
7.0.150.0080.00415.21
7.0.140.0070.03718.79
7.0.130.0090.00615.46
7.0.120.0080.00315.50
7.0.110.0060.00615.47
7.0.100.0060.00615.37
7.0.90.0060.00915.53
7.0.80.0110.00415.43
7.0.70.0030.00715.68
7.0.60.0070.04017.70
7.0.50.0050.04316.52
7.0.40.0130.03716.92
7.0.30.0220.03716.67
7.0.20.0150.02516.71
7.0.10.0200.03816.66
7.0.00.0050.03416.85
5.6.400.0070.00714.28
5.6.390.0130.00314.25
5.6.380.0060.00913.98
5.6.370.0030.01314.15
5.6.360.0080.00414.60
5.6.350.0120.00314.55
5.6.340.0130.00313.78
5.6.330.0000.01414.03
5.6.320.0090.00914.55
5.6.310.0080.00414.31
5.6.300.0030.00514.41
5.6.290.0120.00314.02
5.6.280.0040.04817.41
5.6.270.0030.01014.04
5.6.260.0040.00414.19
5.6.250.0030.00714.20
5.6.240.0030.01014.45
5.6.230.0060.00614.24
5.6.220.0060.00614.32
5.6.210.0090.03217.45
5.6.200.0080.04416.08
5.6.190.0120.02017.38
5.6.180.2100.02117.32
5.6.170.0200.04017.41
5.6.160.0130.03617.36
5.6.150.0070.02316.04
5.6.140.0080.04216.27
5.6.130.0060.02216.28
5.6.120.0050.03717.56
5.6.110.0110.03217.47
5.6.100.0080.04317.61
5.6.90.0050.04917.54
5.6.80.0060.04617.15
5.6.70.1900.02217.21
5.6.60.0080.00713.92
5.6.50.0000.00814.22
5.6.40.0120.00614.13
5.6.30.0140.00013.85
5.6.20.0000.01014.09
5.6.10.0000.01414.29
5.6.00.0050.00514.08
5.5.380.0030.01214.24
5.5.370.0030.00914.34
5.5.360.0090.00614.00
5.5.350.0100.03317.22
5.5.340.0040.02415.94
5.5.330.0070.02217.32
5.5.320.0150.04517.26
5.5.310.0130.04817.24
5.5.300.0080.02516.17
5.5.290.0000.05215.98
5.5.280.0050.03217.74
5.5.270.0120.04217.54
5.5.260.0090.02217.51
5.5.250.0050.02117.19
5.5.240.0050.04217.03
5.5.230.0000.01214.13
5.5.220.0060.01013.94
5.5.210.0030.01014.02
5.5.200.0060.00613.66
5.5.190.0070.00713.93
5.5.180.0070.00313.86
5.5.170.0070.00714.23
5.5.160.0030.01014.11
5.5.150.0040.01114.22
5.5.140.0090.00313.68
5.5.130.0100.00313.52
5.5.120.0060.00314.23
5.5.110.0030.01014.05
5.5.100.0080.00013.83
5.5.90.0040.00413.72
5.5.80.0000.01113.99
5.5.70.0080.00413.77
5.5.60.0030.00613.93
5.5.50.0060.01014.14
5.5.40.0000.01014.14
5.5.30.0030.01013.54
5.5.20.0040.01114.19
5.5.10.0040.00413.92
5.5.00.0000.00913.70
5.4.450.0100.03516.09
5.4.440.0300.03315.94
5.4.430.0080.03016.10
5.4.420.0130.02316.10
5.4.410.0070.03016.06
5.4.400.0460.00315.73
5.4.390.0400.00515.64
5.4.380.0140.02915.72
5.4.370.0120.02715.72
5.4.360.0110.02815.61
5.4.350.0100.03315.72
5.4.340.0080.03215.62
5.4.330.0100.00312.68
5.4.320.0060.02412.59
5.4.310.0060.02212.59
5.4.300.0060.01812.59
5.4.290.0070.02412.59
5.4.280.0040.02312.54
5.4.270.0070.03215.74
5.4.260.0060.03915.75
5.4.250.0150.02715.79
5.4.240.0070.04115.80
5.4.230.0030.03915.76
5.4.220.0110.04115.74
5.4.210.0110.03315.84
5.4.200.0030.03015.76
5.4.190.0110.03515.79
5.4.180.0170.03315.84
5.4.170.0090.03815.83
5.4.160.0080.03015.81
5.4.150.0100.03815.72
5.4.140.0150.02014.60
5.4.130.0100.02214.60
5.4.120.0070.04014.53
5.4.110.0030.03114.56
5.4.100.0100.03014.60
5.4.90.0020.03414.58
5.4.80.0050.03114.62
5.4.70.0040.02814.54
5.4.60.0030.02814.59
5.4.50.0090.03014.54
5.4.40.0020.03214.68
5.4.30.0080.03614.59
5.4.20.0080.03714.64
5.4.10.0100.02514.61
5.4.00.0060.02814.36
5.3.290.0050.02512.74
5.3.280.0090.03913.65
5.3.270.0060.03013.59
5.3.260.0030.03513.70
5.3.250.0100.03713.61
5.3.240.0080.03313.49
5.3.230.0080.02313.60
5.3.220.0030.03813.51
5.3.210.0000.04113.70
5.3.200.0070.02713.63
5.3.190.0000.03113.47
5.3.180.0030.03313.47
5.3.170.0070.02713.63
5.3.160.0070.02813.61
5.3.150.0050.04013.67
5.3.140.0020.03013.62
5.3.130.0030.03213.61
5.3.120.0090.02613.64
5.3.110.0110.03213.62
5.3.100.0070.03813.30
5.3.90.0120.02213.29
5.3.80.0110.02313.36
5.3.70.0050.02913.36
5.3.60.0120.03013.35
5.3.50.0050.02913.32
5.3.40.0120.03313.39
5.3.30.0090.02513.24
5.3.20.0030.04013.18
5.3.10.0070.04013.02
5.3.00.0150.02913.12
5.2.170.0070.05311.25
5.2.160.0070.06011.25
5.2.150.0130.04011.25
5.2.140.0200.03011.14
5.2.130.0070.06311.10
5.2.120.0200.04011.11
5.2.110.0100.05011.09
5.2.100.0030.04311.01
5.2.90.0270.04010.98
5.2.80.0100.04311.09
5.2.70.0030.04711.00
5.2.60.0230.04310.98
5.2.50.0070.04010.90
5.2.40.0070.04011.00
5.2.30.0100.05710.90
5.2.20.0030.05710.88
5.2.10.0100.03310.78
5.2.00.0000.07010.78
5.1.60.0100.04710.05
5.1.50.0100.0339.76
5.1.40.0070.0479.82
5.1.30.0170.04010.21
5.1.20.0130.04310.42
5.1.10.0070.04710.11
5.1.00.0100.0439.83
5.0.50.0100.0338.56
5.0.40.0030.0308.43
5.0.30.0070.0408.30
5.0.20.0030.0378.23
5.0.10.0030.0338.25
5.0.00.0070.0438.30
4.4.90.0030.0307.44
4.4.80.0000.0277.44
4.4.70.0030.0237.44
4.4.60.0070.0277.44
4.4.50.0070.0237.44
4.4.40.0000.0377.44
4.4.30.0030.0237.44
4.4.20.0070.0207.44
4.4.10.0070.0277.44
4.4.00.0030.0337.44
4.3.110.0100.0207.44
4.3.100.0070.0177.44
4.3.90.0070.0277.44
4.3.80.0070.0277.44
4.3.70.0070.0177.44
4.3.60.0030.0237.44
4.3.50.0000.0237.44
4.3.40.0070.0377.44
4.3.30.0030.0277.44
4.3.20.0000.0237.44
4.3.10.0000.0237.44
4.3.00.0170.0176.61

preferences:
48.6 ms | 400 KiB | 5 Q