3v4l.org

run code in 300+ PHP versions simultaneously
<?php $allowed_operators = array("*", "/", "^", "+", "-"); $rpn = "3 4 5 * -"; $rpnlen = strlen($rpn) - 1; $stack = array(); function digit($char) { return ctype_digit((string)$char); } //set_time_limit(2); function r_old() { global $pos, $rpn, $rpnlen, $stack, $allowed_operators, $result; if($rpnlen <= $pos) return false; $pos++; if($rpn[$pos] != ' ') { $tmp = ""; if(digit($rpn[$pos])) { while(digit($rpn[$pos]) || $rpn[$pos] == ".") { $tmp .= $rpn[$pos]; $pos++; } $pos--; if (!empty($tmp)) array_push($stack, $tmp); } else if(in_array($rpn[$pos], $allowed_operators)) { $second = array_pop($stack); $first = array_pop($stack); if($rpn[$pos] == '^') $result = eval("return pow($first, $second);"); else $result = eval("return ($first $rpn[$pos] $second);"); array_push($stack, $result); return r_old(); } else { return r_old(); } } return r_old(); } $result = 0; $pos = 0; function r() { global $pos, $rpn, $rpnlen, $allowed_operators, $result, $stack; while($rpn[$pos] == ' ') $pos++; if($rpnlen <= $pos) return false; if(digit($rpn[$pos])) { $tmp = ""; do { $tmp .= $rpn[$pos]; $pos++; } while(digit($rpn[$pos]) || $rpn[$pos] == "."); array_push($stack, $tmp); } else if(in_array($rpn[$pos], $allowed_operators)) { $second = array_pop($stack); $first = array_pop($stack); if($rpn[$pos] == '^') $result = eval("return pow($first, $second);"); else $result = eval("return ($first $rpn[$pos] $second);"); //echo "return ($first $rpn[$pos] $second);"; array_push($stack, $result); } $pos++; return r(); } r(); //echo $result;

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)
8.3.60.0120.00618.18
8.3.50.0140.00921.20
8.3.40.0090.00618.83
8.3.30.0030.01020.17
8.3.20.0030.00620.52
8.3.10.0040.00421.22
8.3.00.0000.00822.46
8.2.180.0140.00416.88
8.2.170.0040.01122.96
8.2.160.0070.00720.47
8.2.150.0050.00324.18
8.2.140.0040.00724.66
8.2.130.0080.00026.16
8.2.120.0040.00421.18
8.2.110.0060.00319.34
8.2.100.0000.01217.91
8.2.90.0050.00319.35
8.2.80.0050.00319.40
8.2.70.0040.00417.61
8.2.60.0050.00318.05
8.2.50.0030.00618.07
8.2.40.0050.00318.34
8.2.30.0000.00719.38
8.2.20.0030.00517.83
8.2.10.0060.00317.86
8.2.00.0070.00017.75
8.1.280.0150.00325.92
8.1.270.0040.00423.99
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0060.00322.39
8.1.230.0060.00620.99
8.1.220.0050.00318.77
8.1.210.0040.00419.00
8.1.200.0060.00317.35
8.1.190.0050.00517.76
8.1.180.0060.00318.10
8.1.170.0050.00318.66
8.1.160.0070.00018.89
8.1.150.0000.00718.57
8.1.140.0000.00717.47
8.1.130.0000.00717.79
8.1.120.0000.00717.53
8.1.110.0070.00017.40
8.1.100.0040.00417.55
8.1.90.0000.00717.41
8.1.80.0040.00417.50
8.1.70.0000.00717.51
8.1.60.0080.00017.53
8.1.50.0060.00317.59
8.1.40.0000.00817.59
8.1.30.0040.00417.70
8.1.20.0000.00817.61
8.1.10.0040.00417.61
8.1.00.0070.00017.61
8.0.300.0000.00820.10
8.0.290.0070.00017.30
8.0.280.0080.00018.49
8.0.270.0000.00717.31
8.0.260.0030.00316.88
8.0.250.0000.00716.92
8.0.240.0060.00617.02
8.0.230.0000.00716.95
8.0.220.0000.00716.82
8.0.210.0040.00416.81
8.0.200.0050.00316.99
8.0.190.0050.00317.00
8.0.180.0040.00417.01
8.0.170.0000.00816.95
8.0.160.0000.00816.83
8.0.150.0070.00016.93
8.0.140.0000.00716.94
8.0.130.0050.00213.41
8.0.120.0000.00716.80
8.0.110.0070.00016.88
8.0.100.0040.00416.95
8.0.90.0000.00816.88
8.0.80.0070.01616.90
8.0.70.0040.00416.82
8.0.60.0000.00817.00
8.0.50.0000.00816.76
8.0.30.0130.00617.07
8.0.20.0170.00617.44
8.0.10.0000.00717.08
8.0.00.0090.01316.86
7.4.330.0050.00016.71
7.4.320.0030.00316.64
7.4.300.0030.00316.56
7.4.290.0030.00316.48
7.4.280.0030.00316.68
7.4.270.0070.00016.62
7.4.260.0000.00513.32
7.4.250.0040.00416.52
7.4.240.0000.00816.67
7.4.230.0000.00816.47
7.4.220.0130.01116.72
7.4.210.0070.00816.63
7.4.200.0040.00416.72
7.4.190.0000.00716.51
7.4.160.0030.01416.57
7.4.150.0140.01117.40
7.4.140.0130.01117.86
7.4.130.0050.01316.55
7.4.120.0120.00916.60
7.4.110.0040.01316.39
7.4.100.0030.01316.69
7.4.90.0170.00316.62
7.4.80.0060.01119.39
7.4.70.0060.01016.67
7.4.60.0100.00716.39
7.4.50.0040.00416.43
7.4.40.0030.01322.77
7.4.30.0030.01416.65
7.4.10.0110.00714.82
7.4.00.0060.01115.01
7.3.330.0030.00313.25
7.3.320.0030.00313.31
7.3.310.0060.00016.39
7.3.300.0040.00416.37
7.3.290.0060.00916.36
7.3.280.0120.00616.40
7.3.270.0100.00717.40
7.3.260.0100.01018.24
7.3.250.0090.00816.43
7.3.240.0120.00616.37
7.3.230.0090.00916.39
7.3.210.0120.00616.69
7.3.200.0090.00919.39
7.3.190.0070.01116.36
7.3.180.0060.01216.65
7.3.170.0060.00916.64
7.3.160.0170.00316.69
7.3.130.0090.00914.96
7.3.120.0070.01014.93
7.3.110.0080.00814.89
7.3.100.0050.00914.81
7.3.90.0070.00914.92
7.3.80.0080.00514.70
7.3.70.0060.00714.76
7.3.60.0080.00614.82
7.3.50.0050.00814.82
7.3.40.0040.00814.69
7.3.30.0060.00714.73
7.3.20.0070.00616.62
7.3.10.0050.00816.62
7.3.00.0060.00816.73
7.2.330.0100.00716.87
7.2.320.0110.00616.79
7.2.310.0130.01016.87
7.2.300.0030.01216.66
7.2.290.0090.01216.68
7.2.260.0110.00415.27
7.2.250.0080.00815.09
7.2.240.0060.01315.24
7.2.230.0090.00714.97
7.2.220.0080.00615.23
7.2.210.0050.01015.21
7.2.200.0070.00815.15
7.2.190.0050.00815.08
7.2.180.0090.00515.19
7.2.170.0030.01215.11
7.2.160.0030.00615.25
7.2.150.0100.00316.80
7.2.140.0070.00816.99
7.2.130.0080.00616.87
7.2.120.0070.00617.01
7.2.110.0090.00317.06
7.2.100.0020.01416.98
7.2.90.0040.01216.85
7.2.80.0050.01016.87
7.2.70.0090.00617.17
7.2.60.0080.00817.12
7.2.50.0080.00817.05
7.2.40.0070.00516.90
7.2.30.0080.00616.91
7.2.20.0060.00716.98
7.2.10.0080.00416.88
7.2.00.0050.00617.73
7.1.330.0090.00715.68
7.1.320.0050.00815.90
7.1.310.0070.00715.79
7.1.300.0060.00615.84
7.1.290.0070.00615.66
7.1.280.0040.00815.81
7.1.270.0080.00615.85
7.1.260.0080.00615.83
7.1.250.0070.00715.96
7.1.240.0030.01015.89
7.1.230.0050.01015.71
7.1.220.0040.01115.78
7.1.210.0050.01015.74
7.1.200.0030.00815.83
7.1.190.0080.00815.79
7.1.180.0060.00815.97
7.1.170.0120.00315.91
7.1.160.0050.00815.84
7.1.150.0040.01015.90
7.1.140.0030.00615.85
7.1.130.0080.00515.79
7.1.120.0080.00515.96
7.1.110.0020.01016.03
7.1.100.0020.00916.69
7.1.90.0020.01115.74
7.1.80.0060.00915.75
7.1.70.0050.00916.27
7.1.60.0070.00616.91
7.1.50.0080.00816.24
7.1.40.0070.00615.81
7.1.30.0030.01215.74
7.1.20.0080.00515.73
7.1.10.0050.00815.86
7.1.00.0040.02518.01
7.0.330.0070.00815.21
7.0.320.0050.00715.39
7.0.310.0050.00915.58
7.0.300.0060.00415.23
7.0.290.0020.00915.49
7.0.280.0070.00915.54
7.0.270.0060.00615.33
7.0.260.0080.00615.49
7.0.250.0070.00815.44
7.0.240.0060.00615.51
7.0.230.0030.01015.41
7.0.220.0030.01015.35
7.0.210.0070.00915.39
7.0.200.0040.00715.96
7.0.190.0040.00915.59
7.0.180.0030.01215.52
7.0.170.0050.00815.53
7.0.160.0050.00715.53
7.0.150.0000.01315.46
7.0.140.0040.03017.64
7.0.130.0020.01215.45
7.0.120.0020.01015.41
7.0.110.0060.00815.46
7.0.100.0050.00515.48
7.0.90.0030.01115.46
7.0.80.0030.00815.43
7.0.70.0050.01015.40
7.0.60.0100.03117.58
7.0.50.0060.02616.26
7.0.40.0110.02415.66
7.0.30.0130.02215.67
7.0.20.0130.02315.55
7.0.10.0100.01915.65
7.0.00.0070.02815.59
5.6.400.0040.00414.63
5.6.390.0060.00614.82
5.6.380.0070.00914.60
5.6.370.0090.00514.45
5.6.360.0070.00314.46
5.6.350.0060.00814.74
5.6.340.0060.00714.56
5.6.330.0020.01214.52
5.6.320.0040.00714.17
5.6.310.0050.00614.45
5.6.300.0050.01114.38
5.6.290.0030.00914.44
5.6.280.0070.02716.56
5.6.270.0070.00714.40
5.6.260.0060.00914.35
5.6.250.0080.00514.46
5.6.240.0090.00614.47
5.6.230.0070.00514.40
5.6.220.0040.01014.49
5.6.210.0090.02916.46
5.6.200.0050.03115.68
5.6.190.0100.02816.60
5.6.180.0040.03216.43
5.6.170.0110.03416.60
5.6.160.0040.02716.44
5.6.150.0050.02215.60
5.6.140.0050.02515.77
5.6.130.0060.03015.63
5.6.120.0030.02416.66
5.6.110.0050.03116.58
5.6.100.0040.03116.52
5.6.90.0070.02716.59
5.6.80.0110.02216.39
5.6.70.0070.00514.28
5.6.60.0040.00914.30
5.6.50.0050.00714.36
5.6.40.0100.00314.40
5.6.30.0030.00714.53
5.6.20.0080.00614.26
5.6.10.0030.01114.36
5.6.00.0100.00414.29
5.5.380.0050.00812.96
5.5.370.0050.00912.97
5.5.360.0030.00812.79
5.5.350.0070.03215.44
5.5.340.0100.01514.55
5.5.330.0040.03015.28
5.5.320.0040.03315.35
5.5.310.0130.02615.25
5.5.300.0060.01714.38
5.5.290.0060.02014.51
5.5.280.0030.01715.64
5.5.270.0050.03115.60
5.5.260.0030.02115.56
5.5.250.0110.02815.30
5.5.240.0070.02515.32
5.5.230.0060.00612.90
5.5.220.0020.00712.66
5.5.210.0080.00612.73
5.5.200.0000.01112.83
5.5.190.0030.00712.65
5.5.180.0010.00912.54
5.5.170.0060.00612.73
5.5.160.0050.00812.78
5.5.150.0020.00812.68
5.5.140.0040.00812.78
5.5.130.0080.00512.85
5.5.120.0080.00512.66
5.5.110.0020.01012.81
5.5.100.0010.01112.62
5.5.90.0000.01212.69
5.5.80.0070.00312.81
5.5.70.0050.00712.47
5.5.60.0060.00712.83
5.5.50.0060.00712.47
5.5.40.0050.00412.87
5.5.30.0070.00712.96
5.5.20.0020.00712.68
5.5.10.0040.00712.77
5.5.00.0000.01012.76
5.4.450.0130.01514.11
5.4.440.0110.01713.84
5.4.430.0110.01614.05
5.4.420.0140.01713.99
5.4.410.0160.02214.02
5.4.400.0140.02813.97
5.4.390.0130.02813.85
5.4.380.0110.03013.83
5.4.370.0110.01913.87
5.4.360.0130.01813.78
5.4.350.0110.02013.95
5.4.340.0130.01813.92
5.4.330.0040.00411.30
5.4.320.0190.02413.76
5.4.310.0130.02713.83
5.4.300.0150.02713.70
5.4.290.0170.01613.91
5.4.280.0140.01813.96
5.4.270.0150.03013.87
5.4.260.0150.02713.76
5.4.250.0130.02113.90
5.4.240.0180.02313.72
5.4.230.0130.02513.81
5.4.220.0140.02113.80
5.4.210.0120.03213.81
5.4.200.0110.01813.84
5.4.190.0160.02413.74
5.4.180.0130.02813.76
5.4.170.0180.02313.85
5.4.160.0170.02613.84
5.4.150.0140.02013.75
5.4.140.0140.02312.98
5.4.130.0130.01512.94
5.4.120.0150.01812.94
5.4.110.0150.02212.98
5.4.100.0160.02613.04
5.4.90.0100.01712.98
5.4.80.0170.02412.87
5.4.70.0100.01612.97
5.4.60.0120.02812.91
5.4.50.0150.02012.98
5.4.40.0150.02112.79
5.4.30.0150.02512.97
5.4.20.0140.01512.84
5.4.10.0140.01612.86
5.4.00.0140.01412.72
5.3.290.0140.02312.20
5.3.280.0110.02412.15
5.3.270.0130.02512.20
5.3.260.0160.01712.15
5.3.250.0180.02812.16
5.3.240.0150.02512.17
5.3.230.0140.02612.08
5.3.220.0130.02912.07
5.3.210.0180.02312.09
5.3.200.0110.02112.07
5.3.190.0110.01612.13
5.3.180.0120.01312.19
5.3.170.0140.01312.09
5.3.160.0150.02212.25
5.3.150.0150.02412.17
5.3.140.0150.02612.19
5.3.130.0140.02812.16
5.3.120.0140.02212.12
5.3.110.0140.02712.15
5.3.100.0140.01612.03
5.3.90.0180.01911.91
5.3.80.0110.02011.83
5.3.70.0130.02311.93
5.3.60.0150.01711.99
5.3.50.0120.01611.92
5.3.40.0150.02611.92
5.3.30.0140.01611.89
5.3.20.0170.02311.88
5.3.10.0130.02711.73
5.3.00.0120.02411.72
5.2.170.0130.02611.09
5.2.160.0100.02410.99
5.2.150.0100.02211.00
5.2.140.0180.02011.08
5.2.130.0120.03211.05
5.2.120.0120.01311.09
5.2.110.0160.03111.02
5.2.100.0200.01511.05
5.2.90.0160.01510.99
5.2.80.0170.01510.99
5.2.70.0180.03211.00
5.2.60.0160.02311.00
5.2.50.0200.02911.08
5.2.40.0150.02010.99
5.2.30.0150.02711.02
5.2.20.0160.01710.99
5.2.10.0200.02510.99
5.2.00.0170.02510.99
5.1.60.0200.01310.99
5.1.50.0130.02710.99
5.1.40.0180.02310.99
5.1.30.0160.02810.99
5.1.20.0120.02110.99
5.1.10.0130.02810.99
5.1.00.0170.02110.99
5.0.50.0090.02010.99
5.0.40.0090.01210.99
5.0.30.0090.03210.99
5.0.20.0050.01810.99
5.0.10.0080.02210.99
5.0.00.0120.01610.99
4.4.90.0080.01010.99
4.4.80.0050.01410.99
4.4.70.0070.01710.99
4.4.60.0070.01210.99
4.4.50.0110.01710.99
4.4.40.0080.02010.99
4.4.30.0100.01710.99
4.4.20.0070.01310.99
4.4.10.0100.01810.99
4.4.00.0090.02210.99
4.3.110.0080.01310.99
4.3.100.0100.01510.99
4.3.90.0060.01510.99
4.3.80.0140.02410.99
4.3.70.0070.01610.99
4.3.60.0050.01510.99
4.3.50.0070.01510.99
4.3.40.0070.02210.99
4.3.30.0070.01310.99
4.3.20.0030.02210.99
4.3.10.0050.01810.99
4.3.00.0060.01210.99

preferences:
42.46 ms | 401 KiB | 5 Q