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: $c\n"; echo gmp_strval($pi) . "\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)
8.3.60.0110.00717.00
8.3.50.0210.00823.11
8.3.40.0120.00319.32
8.3.30.0000.01519.20
8.3.20.0040.00420.53
8.3.10.0070.00023.77
8.3.00.0040.00417.97
8.2.180.0060.01216.75
8.2.170.0090.01222.96
8.2.160.0080.00520.70
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0070.01126.16
8.2.120.0000.00721.40
8.2.110.0000.01120.64
8.2.100.0120.00018.10
8.2.90.0040.00418.47
8.2.80.0060.00318.00
8.2.70.0000.00817.88
8.2.60.0000.01118.17
8.2.50.0080.00018.07
8.2.40.0030.00618.28
8.2.30.0040.00418.18
8.2.20.0090.00018.05
8.2.10.0040.00418.27
8.2.00.0050.00318.07
8.1.280.0110.01125.92
8.1.270.0080.00023.96
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00622.22
8.1.230.0060.00621.13
8.1.220.0000.00818.01
8.1.210.0000.00819.11
8.1.200.0000.00917.60
8.1.190.0040.00417.48
8.1.180.0080.00018.10
8.1.170.0050.00318.88
8.1.160.0000.00722.21
8.1.150.0080.00019.17
8.1.140.0020.00517.80
8.1.130.0000.00717.90
8.1.120.0030.00517.76
8.1.110.0000.00717.67
8.1.100.0000.00717.79
8.1.90.0080.00017.84
8.1.80.0030.00417.69
8.1.70.0040.00417.63
8.1.60.0040.00417.94
8.1.50.0040.00417.84
8.1.40.0090.00017.76
8.1.30.0060.00317.89
8.1.20.0030.00517.83
8.1.10.0030.00617.91
8.1.00.0040.00417.78
8.0.300.0040.00420.34
8.0.290.0040.00417.13
8.0.280.0030.00318.73
8.0.270.0050.00317.34
8.0.260.0070.00017.41
8.0.250.0000.00817.29
8.0.240.0000.00717.23
8.0.230.0070.00017.31
8.0.220.0030.00317.21
8.0.210.0070.00017.21
8.0.200.0070.00017.22
8.0.190.0000.00817.29
8.0.180.0040.00417.30
8.0.170.0090.00017.37
8.0.160.0000.00717.30
8.0.150.0000.00717.22
8.0.140.0000.00817.14
8.0.130.0000.00713.66
8.0.120.0000.00817.27
8.0.110.0050.00317.37
8.0.100.0030.00517.10
8.0.90.0000.00717.14
8.0.80.0030.01317.24
8.0.70.0040.00417.16
8.0.60.0000.00717.13
8.0.50.0030.00517.15
8.0.30.0140.00717.41
8.0.20.0130.00717.41
8.0.10.0000.00717.36
8.0.00.0070.01017.23
7.4.330.0000.00515.11
7.4.320.0000.00616.71
7.4.300.0000.00816.67
7.4.290.0030.00316.86
7.4.280.0040.00416.88
7.4.270.0050.00316.64
7.4.260.0030.00616.84
7.4.250.0000.00716.59
7.4.240.0040.00416.70
7.4.230.0030.00316.84
7.4.220.0060.01216.70
7.4.210.0070.00716.98
7.4.200.0050.00316.62
7.4.160.0060.00916.92
7.4.150.0090.00917.40
7.4.140.0110.00717.86
7.4.130.0150.00516.70
7.4.120.0050.01216.70
7.4.110.0070.01016.83
7.4.100.0050.01316.60
7.4.90.0110.00616.70
7.4.80.0140.00719.39
7.4.70.0150.00816.77
7.4.60.0100.00616.64
7.4.50.0050.00316.64
7.4.40.0040.01216.81
7.4.30.0060.01116.75
7.4.00.0120.00315.34
7.3.330.0040.00413.43
7.3.320.0050.00013.30
7.3.310.0000.00716.70
7.3.300.0040.00416.67
7.3.290.0130.00316.53
7.3.280.0080.00816.62
7.3.270.0120.00617.40
7.3.260.0210.00216.63
7.3.240.0070.01416.68
7.3.230.0090.00916.64
7.3.210.0070.01316.54
7.3.200.0040.01119.39
7.3.190.0070.01016.86
7.3.180.0030.01316.75
7.3.170.0120.00916.59
7.3.160.0100.00616.76
7.3.10.0040.00716.92
7.3.00.0030.00617.02
7.2.330.0150.00316.86
7.2.320.0060.01117.05
7.2.310.0070.01016.72
7.2.300.0160.00616.78
7.2.290.0130.00416.84
7.2.130.0030.01017.18
7.2.120.0090.00617.33
7.2.110.0000.01317.00
7.2.100.0000.01117.18
7.2.90.0120.00317.27
7.2.80.0070.00316.95
7.2.70.0070.00317.18
7.2.60.0050.01017.23
7.2.50.0060.00617.03
7.2.40.0030.01217.04
7.2.30.0090.00617.33
7.2.20.0000.01417.23
7.2.10.0000.01016.92
7.2.00.0060.00618.29
7.1.250.0000.01216.04
7.1.200.0030.01015.82
7.1.100.0030.01018.43
7.1.70.0000.00817.35
7.1.60.0130.01319.40
7.1.50.0110.01117.24
7.1.00.0030.07722.65
7.0.200.0050.00517.08
7.0.140.0000.07322.14
7.0.60.0000.08020.03
7.0.50.0070.08317.90
7.0.40.0170.07720.21
7.0.30.0200.04720.14
7.0.20.0300.07720.14
7.0.10.0130.04720.36
7.0.00.0030.05720.17
5.6.280.0030.07321.14
5.6.210.0030.04020.52
5.6.200.0100.05318.29
5.6.190.0130.07720.70
5.6.180.0500.07020.81
5.6.170.0130.04320.72
5.6.160.0100.03320.80
5.6.150.0070.07018.29
5.6.140.0100.05018.26
5.6.130.0070.08018.29
5.6.120.0030.07321.08
5.6.110.0100.08321.06
5.6.100.0130.08020.92
5.6.90.0130.07021.08
5.6.80.0070.04720.48
5.5.350.0270.07720.43
5.5.340.0100.07718.08
5.5.330.0030.09020.38
5.5.320.2870.04720.20
5.5.310.0470.06320.24
5.5.300.0070.07318.04
5.5.290.0070.08017.98
5.5.280.0100.08020.88
5.5.270.0130.04720.86
5.5.260.0070.08720.86
5.5.250.0000.09020.69
5.5.240.0070.07020.35
5.4.450.0270.07719.18
5.4.440.0270.07719.27
5.4.430.0270.08019.31
5.4.420.0230.05019.38
5.4.410.0300.04719.43
5.4.400.0330.05318.84
5.4.390.0300.06719.24
5.4.380.0370.06019.13
5.4.370.0300.05319.24
5.4.360.0270.05718.91
5.4.350.0300.05719.22
5.4.340.0300.06018.85
5.4.320.0270.05019.07
5.4.310.0330.07019.09
5.4.300.0330.06319.07
5.4.290.0300.07319.24
5.4.280.0330.05319.15
5.4.270.0370.06719.01
5.4.260.0330.06019.13
5.4.250.0270.04718.97
5.4.240.0370.06319.07
5.4.230.0270.07318.94
5.4.220.0270.07318.87
5.4.210.0270.06019.09
5.4.200.0330.06718.98
5.4.190.0300.05318.86
5.4.180.0300.07019.22
5.4.170.0400.06319.08
5.4.160.0330.07019.09
5.4.150.0300.06018.93
5.4.140.0400.05716.41
5.4.130.0330.06316.43
5.4.120.0270.07316.51
5.4.110.0330.06716.59
5.4.100.0300.06316.56
5.4.90.0400.05316.61
5.4.80.0370.04016.49
5.4.70.0300.05316.59
5.4.60.0200.05016.54
5.4.50.0370.05016.42
5.4.40.0300.06016.47
5.4.30.0300.06716.37
5.4.20.0330.06316.51
5.4.10.0300.03316.53
5.4.00.0230.07315.80
5.3.290.0170.05314.66
5.3.280.0330.04314.59
5.3.270.0370.05314.60
5.3.260.0370.03014.59
5.3.250.0270.07314.51
5.3.240.0330.06314.59
5.3.230.0400.03314.52
5.3.220.0400.05014.54
5.3.210.0270.04714.57
5.3.200.0330.06014.72
5.3.190.0270.04014.49
5.3.180.0330.05314.53
5.3.170.0300.07314.46
5.3.160.0270.05314.57
5.3.150.0270.05014.63
5.3.140.0300.05714.49
5.3.130.0300.07014.77
5.3.120.0400.03314.50
5.3.110.0270.04014.46
5.3.100.0370.04014.02
5.3.90.0230.04014.11
5.3.80.0270.04713.94
5.3.70.0300.06713.99
5.3.60.0370.05714.00
5.3.50.0300.07013.96
5.3.40.0270.08014.06
5.3.30.0230.04713.86
5.3.20.0370.06013.71
5.3.10.0300.04013.56
5.3.00.0400.05713.64
5.2.170.0330.04712.05
5.2.160.0270.05712.05
5.2.150.0230.02712.05
5.2.140.0230.03312.05
5.2.130.0270.03312.05
5.2.120.0270.05312.05
5.2.110.0230.04012.05
5.2.100.0330.05312.05
5.2.90.0270.06312.05
5.2.80.0270.05712.05
5.2.70.0270.05712.05
5.2.60.0230.02712.05
5.2.50.0230.03312.05
5.2.40.0200.03312.05
5.2.30.0200.04012.05
5.2.20.0270.04712.05
5.2.10.0230.04012.05
5.2.00.0170.05312.05
5.1.60.0170.04312.05
5.1.50.0230.04712.05
5.1.40.0170.05012.05
5.1.30.0230.05012.05
5.1.20.0170.05312.05
5.1.10.0330.03712.05
5.1.00.0270.04012.05
5.0.50.0130.04012.05
5.0.40.0070.02012.05
5.0.30.0070.03712.05
5.0.20.0100.04012.05
5.0.10.0170.02712.05
5.0.00.0130.05012.05
4.4.90.0100.02012.05
4.4.80.0130.03312.05
4.4.70.0130.03012.05
4.4.60.0100.02712.05
4.4.50.0130.03012.05
4.4.40.0070.04312.05
4.4.30.0200.02712.05
4.4.20.0100.02012.05
4.4.10.0070.02712.05
4.4.00.0070.04012.05
4.3.110.0100.01712.05
4.3.100.0100.01712.05
4.3.90.0170.02712.05
4.3.80.0100.05012.05
4.3.70.0100.03012.05
4.3.60.0130.02012.05
4.3.50.0070.02712.05
4.3.40.0100.05312.05
4.3.30.0070.03012.05
4.3.20.0100.02712.05
4.3.10.0070.02312.05
4.3.00.0030.03712.05

preferences:
49.39 ms | 401 KiB | 5 Q