3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ExpressionCalculator { public function calc($expression) { $operands = array(); while (($token = strtok($expression, ' ')) !== false) { if (isOperator($token)) { $rightOperand = array_pop($operands); $leftOperand = array_pop($operands); $result = $this->execute($token, $leftOperand, $rightOperand); array_push($operands, $result); continue; } array_push($operands, $token); } return $result; } } $calc = new ExpressionCalculator(); echo $calc->calc('5 1 2 + 4 * + 3 -'); // 14

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)
8.3.60.0100.00716.61
8.3.50.0100.00922.17
8.3.40.0070.00718.89
8.3.30.0070.00719.22
8.3.20.0060.00320.09
8.3.10.0050.00323.70
8.3.00.0070.00019.80
8.2.180.0130.01018.29
8.2.170.0150.00022.96
8.2.160.0030.01020.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00020.96
8.2.110.0090.00022.06
8.2.100.0040.00817.93
8.2.90.0000.00819.13
8.2.80.0080.00017.97
8.2.70.0080.00017.50
8.2.60.0120.00017.53
8.2.50.0040.00418.07
8.2.40.0040.00419.63
8.2.30.0040.00418.20
8.2.20.0000.00717.57
8.2.10.0020.00517.98
8.2.00.0040.00417.81
8.1.280.0050.01425.92
8.1.270.0000.01923.97
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0040.00422.20
8.1.230.0070.00419.23
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0030.00717.22
8.1.190.0040.00417.23
8.1.180.0030.00518.10
8.1.170.0030.00518.66
8.1.160.0070.00022.01
8.1.150.0070.00018.75
8.1.140.0000.00717.27
8.1.130.0050.00217.71
8.1.120.0070.00017.46
8.1.110.0050.00317.28
8.1.100.0000.00717.29
8.1.90.0000.00717.31
8.1.80.0000.00717.41
8.1.70.0000.00717.36
8.1.60.0000.00817.59
8.1.50.0050.00217.44
8.1.40.0050.00317.56
8.1.30.0030.00617.70
8.1.20.0000.00817.57
8.1.10.0040.00417.57
8.1.00.0030.00517.43
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00718.41
8.0.270.0000.00717.06
8.0.260.0030.00317.23
8.0.250.0000.00616.84
8.0.240.0030.00316.88
8.0.230.0040.00416.89
8.0.220.0030.00316.79
8.0.210.0040.00416.91
8.0.200.0050.00316.97
8.0.190.0000.00816.94
8.0.180.0070.00316.95
8.0.170.0050.00316.78
8.0.160.0060.00316.82
8.0.150.0000.00716.86
8.0.140.0000.00716.85
8.0.130.0000.00613.27
8.0.120.0030.00516.88
8.0.110.0000.00716.76
8.0.100.0000.00716.94
8.0.90.0020.00516.94
8.0.80.0040.01116.90
8.0.70.0000.00716.73
8.0.60.0000.00716.85
8.0.50.0080.00016.96
8.0.30.0130.00616.92
8.0.20.0070.01217.40
8.0.10.0040.00416.96
8.0.00.0120.00816.77
7.4.330.0000.00515.01
7.4.320.0030.00316.47
7.4.300.0040.00416.49
7.4.290.0000.00616.49
7.4.280.0030.00516.60
7.4.270.0040.00416.43
7.4.260.0070.00316.40
7.4.250.0040.00416.58
7.4.240.0020.00616.59
7.4.230.0030.00316.40
7.4.220.0140.00416.56
7.4.210.0060.00616.54
7.4.200.0030.00316.60
7.4.160.0040.01116.59
7.4.150.0140.00317.40
7.4.140.0160.00517.86
7.4.130.0080.00816.59
7.4.120.0090.00816.50
7.4.110.0120.00416.56
7.4.100.0060.01416.57
7.4.90.0100.01016.70
7.4.80.0150.01219.39
7.4.70.0090.00816.48
7.4.60.0030.01316.55
7.4.50.0060.00316.57
7.4.40.0070.01016.47
7.4.30.0090.01016.32
7.4.00.0170.00014.93
7.3.330.0060.00013.33
7.3.320.0030.00313.14
7.3.310.0000.00716.46
7.3.300.0070.00016.46
7.3.290.0090.00616.30
7.3.280.0080.00716.42
7.3.270.0070.01117.40
7.3.260.0130.00716.48
7.3.250.0050.01216.38
7.3.240.0190.00416.34
7.3.230.0040.01516.55
7.3.210.0120.00616.38
7.3.200.0030.01319.39
7.3.190.0030.01716.39
7.3.180.0090.00816.49
7.3.170.0100.00716.41
7.3.160.0030.01316.61
7.3.120.0030.01414.98
7.2.330.0140.00316.57
7.2.320.0000.01616.48
7.2.310.0100.00716.64
7.2.300.0060.01016.61
7.2.290.0100.01016.66
7.2.60.0100.00316.76
7.1.200.0060.00915.59
7.1.70.0040.00416.82
7.1.60.0120.00419.70
7.1.50.0030.02016.61
7.1.00.0070.07322.46
7.0.200.0690.00714.91
7.0.140.0030.07322.10
7.0.120.0000.08722.04
7.0.110.0070.03722.09
7.0.100.0000.03721.97
7.0.90.0000.03722.16
7.0.80.0070.04022.05
7.0.70.0030.05721.96
7.0.60.0030.04021.95
7.0.50.0070.02722.12
7.0.40.0030.03020.07
7.0.30.0000.03319.90
7.0.20.0030.04320.04
7.0.10.0000.04019.96
7.0.00.0030.03720.09
5.6.280.0100.07021.07
5.6.270.0030.03320.80
5.6.260.0000.03321.03
5.6.250.0030.03020.82
5.6.240.0000.06021.06
5.6.230.0000.03720.77
5.6.220.0000.03320.95
5.6.210.0030.03720.63
5.6.200.0030.04020.86
5.6.190.0000.04320.75
5.6.180.0070.03020.76
5.6.170.0000.03720.75
5.6.160.0000.04020.87
5.6.150.0100.03020.80
5.6.140.0000.07320.87
5.6.130.0030.04021.00
5.6.120.0030.04021.00
5.6.110.0030.04020.88
5.6.100.0000.05321.02
5.6.90.0000.04020.76
5.6.80.0000.04020.27
5.6.70.0000.04020.34
5.6.60.0070.04720.27
5.6.50.0070.03720.33
5.6.40.0030.05320.14
5.6.30.0030.03720.14
5.6.20.0030.03720.30
5.6.10.0030.04020.33
5.6.00.0000.04020.32
5.5.380.0000.03317.60
5.5.370.0000.06717.47
5.5.360.0030.03717.53
5.5.350.0070.03317.71
5.5.340.0000.04018.09
5.5.330.0030.03018.09
5.5.320.0030.03718.08
5.5.310.0000.03717.96
5.5.300.0000.07018.05
5.5.290.0000.05718.07
5.5.280.0000.04018.19
5.5.270.0000.04018.09
5.5.260.0000.04318.26
5.5.250.0030.03717.77
5.5.240.0000.04317.50
5.5.230.0070.03317.26
5.5.220.0000.03717.60
5.5.210.0000.03717.35
5.5.200.0070.05017.57
5.5.190.0000.03717.58
5.5.180.0000.03317.57
5.5.160.0030.03717.18
5.5.150.0000.04017.26
5.5.140.0000.05317.25
5.5.130.0030.03717.30
5.5.120.0070.04317.43
5.5.110.0000.05017.45
5.5.100.0000.04317.36
5.5.90.0000.04017.34
5.5.80.0030.03717.20
5.5.70.0000.03717.33
5.5.60.0030.04017.34
5.5.50.0030.04017.32
5.5.40.0030.04717.15
5.5.30.0000.05017.29
5.5.20.0070.03317.35
5.5.10.0000.04017.46
5.5.00.0030.05717.14
5.4.450.0030.04019.30
5.4.440.0000.04019.30
5.4.430.0070.03319.61
5.4.420.0030.03719.26
5.4.410.0030.03719.46
5.4.400.0000.04019.30
5.4.390.0070.03319.26
5.4.380.0070.04018.96
5.4.370.0000.03719.25
5.4.360.0070.04018.90
5.4.350.0030.03718.94
5.4.340.0000.04018.94
5.4.320.0030.03719.13
5.4.310.0000.03719.13
5.4.300.0000.03718.95
5.4.290.0000.03719.12
5.4.280.0000.04318.95
5.4.270.0000.03718.94
5.4.260.0030.03318.93
5.4.250.0030.04018.93
5.4.240.0000.03719.27
5.4.230.0030.04019.20
5.4.220.0000.04318.95
5.4.210.0000.05018.93
5.4.200.0030.04318.95
5.4.190.0000.04019.12
5.4.180.0100.06718.93
5.4.170.0000.06719.25
5.4.160.0000.04018.88
5.4.150.0000.04018.94
5.4.140.0000.03716.28
5.4.130.0100.02716.29
5.4.120.0030.03316.29
5.4.110.0030.04316.41
5.4.100.0170.02316.52
5.4.90.0030.02716.51
5.4.80.0000.03716.34
5.4.70.0030.07016.34
5.4.60.0030.04316.29
5.4.50.0000.03016.33
5.4.40.0030.03316.45
5.4.30.0000.03716.47
5.4.20.0030.04016.33
5.4.10.0070.05316.30
5.4.00.0030.03015.98
5.3.290.0000.04014.81
5.3.280.0000.05714.57
5.3.270.0030.04314.59
5.3.260.0000.03714.69
5.3.250.0030.03314.61
5.3.240.0030.04714.61
5.3.230.0000.03714.73
5.3.220.0000.03714.65
5.3.210.0000.03714.60
5.3.200.0070.03014.69
5.3.190.0000.03714.56
5.3.180.0000.03714.59
5.3.170.0030.03314.57
5.3.160.0000.03714.58
5.3.150.0000.03714.52
5.3.140.0030.03714.68
5.3.130.0000.03714.63
5.3.120.0000.03714.56
5.3.110.0000.03714.52
5.3.100.0000.05314.00
5.3.90.0070.03714.06
5.3.80.0030.03313.98
5.3.70.0000.06714.08
5.3.60.0070.04014.09
5.3.50.0000.03314.03
5.3.40.0000.03713.93
5.3.30.0000.03713.93
5.3.20.0000.04313.71
5.3.10.0030.06713.64
5.3.00.0030.03713.77
5.2.170.0000.03011.64
5.2.160.0030.03711.64
5.2.150.0000.03011.64
5.2.140.0000.03011.64
5.2.130.0030.03011.64
5.2.120.0000.03011.64
5.2.110.0000.04011.64
5.2.100.0030.02711.64
5.2.90.0000.03311.64
5.2.80.0000.04011.64
5.2.70.0030.02711.64
5.2.60.0100.03311.64
5.2.50.0000.03011.64
5.2.40.0000.04711.64
5.2.30.0030.03711.64
5.2.20.0000.03011.64
5.2.10.0000.03711.64
5.2.00.0000.03011.64
5.1.60.0030.03011.64
5.1.50.0030.02011.64
5.1.40.0030.05311.64
5.1.30.0000.02711.64
5.1.20.0000.03011.64
5.1.10.0000.02311.64
5.1.00.0030.02311.64
5.0.50.0000.02311.64
5.0.40.0030.01711.64
5.0.30.0030.04711.64
5.0.20.0030.01711.64
5.0.10.0000.02711.64
5.0.00.0000.03011.64
4.4.90.0000.01311.64
4.4.80.0000.01311.64
4.4.70.0000.01311.64
4.4.60.0000.02711.64
4.4.50.0000.03711.64
4.4.40.0000.02711.64
4.4.30.0000.01711.64
4.4.20.0030.01311.64
4.4.10.0000.01711.64
4.4.00.0000.02711.64
4.3.110.0000.01311.64
4.3.100.0000.01711.64
4.3.90.0070.02011.64
4.3.80.0000.02311.64
4.3.70.0000.01711.64
4.3.60.0000.01311.64
4.3.50.0000.01711.64
4.3.40.0000.02311.64
4.3.30.0000.02011.64
4.3.20.0070.01011.64
4.3.10.0000.02011.64
4.3.00.0000.01311.64

preferences:
56.89 ms | 401 KiB | 5 Q