3v4l.org

run code in 300+ PHP versions simultaneously
<?php $mypi = 3.1415926535897932384626433832795028841971; $mypi = 3.141592653589793; $pi = pi(); printf("pi: %.24f, %.24f, %.24f\n", $pi, $mypi, M_PI); $l = strlen($mypi); echo "l: $l\n"; $d = pack("d", $mypi); $l = strlen($d); echo "l: $l\n"; $un = unpack("d", $d); $d = end($un); printf("%.24g\n", $d); $pi = 3.1415926535897932384626433832795028841971; $s = preg_split("//", $pi); $c = count($s); print_r($s); echo "c: $c\n";

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)
8.3.60.0120.00316.63
8.3.50.0110.00622.96
8.3.40.0090.00918.64
8.3.30.0110.00318.68
8.3.20.0070.00020.34
8.3.10.0040.00423.56
8.3.00.0050.00317.75
8.2.180.0000.01816.88
8.2.170.0040.01222.96
8.2.160.0140.00020.43
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0180.00026.16
8.2.120.0080.00021.28
8.2.110.0050.00522.16
8.2.100.0060.00619.39
8.2.90.0030.00518.16
8.2.80.0000.00819.41
8.2.70.0000.00918.03
8.2.60.0050.00319.54
8.2.50.0100.00018.10
8.2.40.0040.00420.65
8.2.30.0020.00518.04
8.2.20.0040.00417.95
8.2.10.0080.00018.11
8.2.00.0050.00317.94
8.1.280.0040.01125.92
8.1.270.0050.00323.91
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0070.00322.05
8.1.230.0070.00421.02
8.1.220.0080.00017.78
8.1.210.0000.00818.77
8.1.200.0000.00817.35
8.1.190.0060.00317.48
8.1.180.0090.00018.10
8.1.170.0040.00418.78
8.1.160.0040.00422.15
8.1.150.0030.00518.94
8.1.140.0050.00217.65
8.1.130.0000.00817.78
8.1.120.0000.00717.52
8.1.110.0040.00417.63
8.1.100.0030.00317.61
8.1.90.0070.00017.52
8.1.80.0000.00717.66
8.1.70.0020.00517.54
8.1.60.0030.00517.70
8.1.50.0030.00517.63
8.1.40.0080.00017.65
8.1.30.0030.00517.77
8.1.20.0000.00717.75
8.1.10.0040.00417.54
8.1.00.0080.00017.52
8.0.300.0040.00419.96
8.0.290.0050.00217.00
8.0.280.0000.00718.50
8.0.270.0070.00017.33
8.0.260.0000.00617.26
8.0.250.0030.00317.07
8.0.240.0050.00217.21
8.0.230.0040.00417.11
8.0.220.0030.00317.12
8.0.210.0000.00717.09
8.0.200.0050.00317.13
8.0.190.0040.00417.13
8.0.180.0040.00417.08
8.0.170.0040.00417.10
8.0.160.0040.00416.97
8.0.150.0060.00316.97
8.0.140.0030.00617.06
8.0.130.0030.00313.52
8.0.120.0000.00817.08
8.0.110.0040.00417.02
8.0.100.0040.00417.16
8.0.90.0070.00017.09
8.0.80.0040.01217.06
8.0.70.0040.00417.14
8.0.60.0030.00517.13
8.0.50.0000.00717.04
8.0.30.0090.01317.32
8.0.20.0100.01017.40
8.0.10.0000.00717.18
8.0.00.0080.01016.93
7.4.330.0050.00015.17
7.4.320.0040.00416.79
7.4.300.0030.00316.80
7.4.290.0000.00816.71
7.4.280.0000.00916.75
7.4.270.0040.00416.83
7.4.260.0030.00616.78
7.4.250.0000.00716.77
7.4.240.0020.00516.79
7.4.230.0040.00416.64
7.4.220.0000.01716.75
7.4.210.0030.01116.75
7.4.200.0030.00316.72
7.4.160.0060.00916.38
7.4.150.0080.00917.40
7.4.140.0050.01717.86
7.4.130.0090.00916.68
7.4.120.0080.01016.64
7.4.110.0090.00916.66
7.4.100.0080.01216.73
7.4.90.0070.01116.47
7.4.80.0170.00319.39
7.4.70.0100.01016.81
7.4.60.0110.00616.81
7.4.50.0000.00816.57
7.4.40.0130.00316.68
7.4.30.0070.01016.71
7.4.00.0050.01015.00
7.3.330.0070.00013.30
7.3.320.0000.00613.38
7.3.310.0030.00316.54
7.3.300.0040.00416.43
7.3.290.0110.00316.47
7.3.280.0080.01016.45
7.3.270.0040.01217.40
7.3.260.0270.02116.70
7.3.250.0080.00916.50
7.3.240.0130.00516.66
7.3.230.0190.00016.71
7.3.210.0140.00316.59
7.3.200.0130.00419.39
7.3.190.0170.00516.45
7.3.180.0060.01216.69
7.3.170.0090.01216.87
7.3.160.0130.00316.49
7.3.120.0070.01114.95
7.3.110.0090.00915.20
7.3.100.0030.01215.20
7.3.90.0070.00714.91
7.3.80.0110.00014.71
7.3.70.0030.01314.88
7.3.60.0070.00414.79
7.3.50.0000.01314.60
7.3.40.0000.01215.03
7.3.30.0090.00314.95
7.3.20.0000.00916.91
7.3.10.0070.00316.97
7.3.00.0090.00616.86
7.2.330.0070.01016.79
7.2.320.0040.01316.87
7.2.310.0090.00916.93
7.2.300.0130.00616.79
7.2.290.0040.01216.61
7.2.250.0030.01715.29
7.2.240.0090.01215.26
7.2.230.0110.00715.09
7.2.220.0060.01015.20
7.2.210.0100.00315.20
7.2.200.0090.00615.27
7.2.190.0060.00615.11
7.2.180.0040.01115.02
7.2.170.0000.00915.25
7.2.60.0040.00417.05
7.1.330.0070.01015.81
7.1.320.0030.00715.91
7.1.310.0110.00016.05
7.1.300.0070.00715.71
7.1.290.0000.01415.89
7.1.280.0060.00615.84
7.1.270.0000.01115.88
7.1.260.0000.01716.04
7.1.200.0040.00715.96
7.1.70.0080.00417.20
7.1.60.0110.01119.40
7.1.50.0070.00717.11
7.1.00.0100.06322.35
7.0.200.0000.01117.00
7.0.140.0070.06322.00
7.0.60.0070.05719.95
7.0.50.0070.04317.79
7.0.40.0100.04720.22
7.0.30.0270.05720.24
7.0.20.0170.06320.13
7.0.10.0070.05020.15
7.0.00.0170.04720.13
5.6.280.0000.07320.90
5.6.210.0030.04320.75
5.6.200.0100.03718.27
5.6.190.0130.06720.67
5.6.180.4200.04020.49
5.6.170.0330.07320.56
5.6.160.0070.05320.50
5.6.150.0000.08718.28
5.6.140.0070.08018.18
5.6.130.0100.04718.18
5.6.120.0200.07720.99
5.6.110.0070.08720.95
5.6.100.0100.03321.06
5.6.90.0070.06020.96
5.6.80.0030.08720.48
5.6.70.2830.03720.36
5.5.350.0200.03720.41
5.5.340.0030.08017.96
5.5.330.0130.08020.13
5.5.320.0230.04320.35
5.5.310.0230.05320.35
5.5.300.0170.06718.04
5.5.290.0070.07717.97
5.5.280.0030.04720.85
5.5.270.0000.09320.79
5.5.260.0070.08020.76
5.5.250.0100.07720.70
5.5.240.0170.07720.15
5.4.450.0470.05019.48
5.4.440.0270.06319.29
5.4.430.0230.06019.41
5.4.420.0200.04019.17
5.4.410.0430.04719.44
5.4.400.0330.07019.09
5.4.390.0300.07319.00
5.4.380.0300.07019.15
5.4.370.0330.06719.13
5.4.360.0300.07019.09
5.4.350.0270.04319.22
5.4.340.0400.05719.24
5.4.320.0270.07019.10
5.4.310.0300.07018.98
5.4.300.0230.07019.08
5.4.290.0300.05019.13
5.4.280.0300.06319.20
5.4.270.0230.05319.15
5.4.260.0270.03319.13
5.4.250.0300.06719.21
5.4.240.0330.04019.15
5.4.230.0230.04719.14
5.4.220.0200.04319.21
5.4.210.0300.04019.23
5.4.200.0200.04319.22
5.4.190.0230.07319.21
5.4.180.0270.06319.14
5.4.170.0200.05319.07
5.4.160.0400.05019.30
5.4.150.0300.04019.02
5.4.140.0300.06316.41
5.4.130.0200.04016.55
5.4.120.0400.05016.54
5.4.110.0230.07016.42
5.4.100.0300.06016.34
5.4.90.0330.04716.61
5.4.80.0270.05316.49
5.4.70.0230.05016.55
5.4.60.0200.04316.32
5.4.50.0200.03716.32
5.4.40.0170.06016.43
5.4.30.0230.07316.42
5.4.20.0170.05016.39
5.4.10.0330.04016.43
5.4.00.0270.06715.78
5.3.290.0200.06014.65
5.3.280.0200.04314.50
5.3.270.0300.06714.59
5.3.260.0100.05314.71
5.3.250.0270.04014.82
5.3.240.0300.06714.71
5.3.230.0200.04314.61
5.3.220.0300.05314.64
5.3.210.0300.07014.64
5.3.200.0270.04014.46
5.3.190.0270.04714.65
5.3.180.0330.06314.56
5.3.170.0370.06014.65
5.3.160.0230.05014.48
5.3.150.0170.05014.80
5.3.140.0300.04014.48
5.3.130.0300.06314.70
5.3.120.0200.04314.60
5.3.110.0270.07014.59
5.3.100.0270.07014.11
5.3.90.0370.04013.92
5.3.80.0330.06313.98
5.3.70.0230.04313.92
5.3.60.0270.04713.93
5.3.50.0200.03713.87
5.3.40.0300.06714.04
5.3.30.0270.05314.13
5.3.20.0270.04013.74
5.3.10.0330.06713.57
5.3.00.0230.04713.61
5.2.170.0230.06311.33
5.2.160.0230.03711.33
5.2.150.0270.02711.33
5.2.140.0230.02711.33
5.2.130.0170.03311.33
5.2.120.0200.03311.33
5.2.110.0170.03011.33
5.2.100.0230.02711.33
5.2.90.0230.04311.33
5.2.80.0170.03711.33
5.2.70.0270.05711.33
5.2.60.0230.04311.33
5.2.50.0200.06011.33
5.2.40.0230.04711.33
5.2.30.0200.04311.33
5.2.20.0200.03311.33
5.2.10.0130.04711.33
5.2.00.0270.03311.33
5.1.60.0270.04711.33
5.1.50.0270.04311.33
5.1.40.0170.03311.33
5.1.30.0200.03711.33
5.1.20.0130.06011.33
5.1.10.0230.04311.33
5.1.00.0130.03711.33
5.0.50.0100.04711.33
5.0.40.0100.01711.33
5.0.30.0170.05011.33
5.0.20.0100.04711.33
5.0.10.0130.04011.33
5.0.00.0100.06011.33
4.4.90.0100.03711.33
4.4.80.0100.03011.33
4.4.70.0130.03311.33
4.4.60.0030.03311.33
4.4.50.0070.03011.33
4.4.40.0170.03011.33
4.4.30.0070.02711.33
4.4.20.0100.03011.33
4.4.10.0100.02311.33
4.4.00.0130.03311.33
4.3.110.0070.02311.33
4.3.100.0070.03011.33
4.3.90.0200.02311.33
4.3.80.0100.05311.33
4.3.70.0100.02711.33
4.3.60.0070.02311.33
4.3.50.0100.02011.33
4.3.40.0070.05311.33
4.3.30.0070.03311.33
4.3.20.0030.02311.33
4.3.10.0030.03311.33
4.3.00.0030.03011.33

preferences:
77.31 ms | 401 KiB | 5 Q