3v4l.org

run code in 300+ PHP versions simultaneously
<?php $expression = "-11+3*1*4/-6-12"; if (!preg_match('~^-?\d*\.?\d+([*/+-]-?\d*\.?\d+)*$~', $expression)) { echo "invalid expression"; } else { $components = preg_split('~(?<=\d)([*/+-])~', $expression, 0, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE); var_export($components); // ['-11','+','3','*','1','*','4','/','-6','-','12'] while (($index = array_search('*',$components)) !== false) { array_splice($components, $index - 1, 3, $components[$index - 1] * $components[$index + 1]); var_export($components); // ['-11','+','3','*','4','/','-6','-','12'] // ['-11','+','12','/','-6','-','12'] } while (($index = array_search('/', $components)) !== false) { array_splice($components, $index - 1, 3, $components[$index - 1] / $components[$index + 1]); var_export($components); // [-'11','+','-2','-','12'] } while (($index = array_search('+', $components)) !== false) { array_splice($components, $index - 1, 3, $components[$index - 1] + $components[$index + 1]); var_export($components); // ['-13','-','12'] } while (($index = array_search('-', $components)) !== false) { array_splice($components, $index - 1, 3, $components[$index - 1] - $components[$index + 1]); var_export($components); // [-25] } echo current($components); // -25 }

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)
8.3.60.0090.00618.50
8.3.50.0170.00316.46
8.3.40.0110.01119.27
8.3.30.0120.00319.08
8.3.20.0050.00324.18
8.3.10.0040.00424.66
8.3.00.0060.00326.16
8.2.180.0150.00425.92
8.2.170.0140.00419.18
8.2.160.0140.00022.96
8.2.150.0030.00525.66
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0080.00019.90
8.2.110.0000.01022.39
8.2.100.0040.00818.16
8.2.90.0000.00720.62
8.2.80.0060.00317.75
8.2.70.0050.00317.88
8.2.60.0000.00918.04
8.2.50.0040.00417.88
8.2.40.0040.00420.01
8.2.30.0050.00218.21
8.2.20.0000.00718.34
8.2.10.0000.00819.44
8.2.00.0050.00219.24
8.1.280.0070.00725.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0000.00922.46
8.1.230.0130.00020.89
8.1.220.0040.00417.91
8.1.210.0000.01019.07
8.1.200.0060.00317.60
8.1.190.0050.00317.48
8.1.180.0030.00518.10
8.1.170.0000.00918.81
8.1.160.0040.00418.95
8.1.150.0050.00318.91
8.1.140.0000.00719.09
8.1.130.0000.00720.26
8.1.120.0040.00417.65
8.1.110.0000.00817.68
8.1.100.0000.00717.62
8.1.90.0000.00817.54
8.1.80.0030.00617.53
8.1.70.0070.00017.66
8.1.60.0040.00417.82
8.1.50.0000.00917.72
8.1.40.0040.00417.73
8.1.30.0040.00417.85
8.1.20.0040.00417.89
8.1.10.0000.00917.82
8.1.00.0030.00717.70
8.0.300.0040.00420.02
8.0.290.0080.00017.13
8.0.280.0000.00818.54
8.0.270.0030.00518.17
8.0.260.0060.00018.63
8.0.250.0000.00717.10
8.0.240.0060.00017.19
8.0.230.0030.00317.20
8.0.220.0070.00017.05
8.0.210.0030.00317.10
8.0.200.0000.00817.13
8.0.190.0080.00017.21
8.0.180.0040.00417.13
8.0.170.0080.00017.13
8.0.160.0060.00317.16
8.0.150.0000.00717.15
8.0.140.0070.00017.15
8.0.130.0030.00313.51
8.0.120.0030.00617.09
8.0.110.0000.00717.05
8.0.100.0040.00417.12
8.0.90.0000.00717.13
8.0.80.0090.01017.11
8.0.70.0080.01117.11
8.0.60.0120.00717.03
8.0.50.0080.00817.06
8.0.30.0070.01017.13
8.0.20.0080.00817.18
8.0.10.0110.00717.23
8.0.00.0040.01217.19
7.4.330.0020.00215.55
7.4.320.0030.00316.76
7.4.300.0040.00416.85
7.4.290.0050.00216.77
7.4.280.0050.00316.66
7.4.270.0050.00216.65
7.4.260.0000.00613.45
7.4.250.0000.00716.80
7.4.240.0040.00416.77
7.4.230.0030.00316.74
7.4.220.0040.00416.79
7.4.210.0080.01116.82
7.4.200.0080.01016.71
7.4.190.0050.01017.00
7.4.180.0070.01316.90
7.4.160.0120.00816.81
7.4.150.0110.00716.85
7.4.140.0120.00516.71
7.4.130.0050.01016.71
7.4.120.0050.01016.82
7.4.110.0070.00716.74
7.4.100.0090.00516.83
7.4.90.0100.00616.80
7.4.80.0040.01216.81
7.4.70.0080.00816.76
7.4.60.0070.01016.73
7.4.50.0080.00816.80
7.4.40.0050.01116.82
7.4.30.0100.00416.70
7.4.20.0090.00516.71
7.4.10.0070.00716.70
7.4.00.0080.01216.70
7.3.330.0070.00016.33
7.3.320.0000.00513.27
7.3.310.0000.00716.53
7.3.300.0070.00016.29
7.3.290.0060.01016.43
7.3.280.0070.00716.45
7.3.270.0020.01216.43
7.3.260.0020.01216.44
7.3.250.0030.01216.44
7.3.240.0090.00716.40
7.3.230.0050.00816.43
7.3.220.0050.00916.41
7.3.210.0100.00716.44
7.3.200.0050.01016.42
7.3.190.0100.00416.41
7.3.180.0050.01016.49
7.3.170.0060.00816.48
7.3.160.0060.00816.40
7.3.150.0080.00716.42
7.3.140.0030.01116.36
7.3.130.0140.00316.46
7.3.120.0070.00816.47
7.3.110.0060.00816.37
7.3.100.0090.00616.41
7.3.90.0060.00916.73
7.3.80.0080.01016.44
7.3.70.0070.00916.51
7.3.60.0060.00916.56
7.3.50.0070.00716.58
7.3.40.0090.00716.62
7.3.30.0110.00816.56
7.3.20.0300.00316.63
7.3.10.0080.00816.50
7.3.00.0130.00916.58

preferences:
32.64 ms | 400 KiB | 5 Q