3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (!defined('JSON_UNESCAPED_UNICODE')) { define('JSON_UNESCAPED_SLASHES', 64); define('JSON_UNESCAPED_UNICODE', 256); } $original = 'foo/bar'; $q = array('query_string' => escapeTerm($original)); $j = json_encode($q); var_dump($j); function escapeTerm($term) { $result = $term; // \ escaping has to be first, otherwise escaped later once again $chars = array('\\', '+', '-', '&&', '||', '!', '(', ')', '{', '}', '[', ']', '^', '"', '~', '*', '?', ':', '/'); foreach ($chars as $char) { $result = str_replace($char, '\\' . $char, $result); } return $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)
8.3.40.0150.00018.87
8.3.30.0110.00419.05
8.3.20.0070.00020.31
8.3.10.0000.00823.66
8.3.00.0040.00417.63
8.2.170.0100.01018.91
8.2.160.0070.00722.96
8.2.150.0030.00525.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00720.96
8.2.110.0090.00021.91
8.2.100.0050.00517.91
8.2.90.0030.00519.08
8.2.80.0040.00417.97
8.2.70.0060.00317.75
8.2.60.0050.00317.88
8.2.50.0050.00318.07
8.2.40.0050.00318.28
8.2.30.0070.00018.04
8.2.20.0070.00017.86
8.2.10.0000.00818.05
8.2.00.0040.00417.87
8.1.270.0040.00423.92
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00023.70
8.1.230.0040.00719.10
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0030.00617.25
8.1.190.0040.00417.22
8.1.180.0050.00318.10
8.1.170.0000.00818.48
8.1.160.0040.00422.05
8.1.150.0040.00418.77
8.1.140.0000.00717.34
8.1.130.0070.00017.82
8.1.120.0070.00017.44
8.1.110.0030.00617.42
8.1.100.0000.00717.34
8.1.90.0000.00717.34
8.1.80.0040.00417.48
8.1.70.0000.00717.36
8.1.60.0000.00917.59
8.1.50.0040.00417.53
8.1.40.0000.01017.50
8.1.30.0040.00417.57
8.1.20.0000.00817.56
8.1.10.0050.00217.61
8.1.00.0030.00617.37
8.0.300.0000.00718.77
8.0.290.0040.00416.59
8.0.280.0030.00318.37
8.0.270.0000.00717.36
8.0.260.0060.00017.27
8.0.250.0070.00017.05
8.0.240.0030.00616.96
8.0.230.0030.00317.02
8.0.220.0000.00716.91
8.0.210.0000.00717.01
8.0.200.0000.00617.00
8.0.190.0000.00717.07
8.0.180.0000.00716.89
8.0.170.0000.00816.88
8.0.160.0070.00017.00
8.0.150.0040.00416.89
8.0.140.0040.00416.95
8.0.130.0040.00413.28
8.0.120.0050.00316.97
8.0.110.0000.00717.00
8.0.100.0050.00316.94
8.0.90.0080.00016.80
8.0.80.0120.00916.89
8.0.70.0030.00516.82
8.0.60.0030.00616.79
8.0.50.0040.00416.99
8.0.30.0110.00817.10
8.0.20.0140.00517.42
8.0.10.0070.00017.08
8.0.00.0120.01116.98
7.4.330.0050.00015.00
7.4.320.0000.00616.48
7.4.300.0090.00016.59
7.4.290.0070.00016.42
7.4.280.0030.00316.60
7.4.270.0070.00016.43
7.4.260.0030.00316.62
7.4.250.0070.00016.56
7.4.240.0050.00316.50
7.4.230.0080.00016.34
7.4.220.0120.01016.70
7.4.210.0130.00316.54
7.4.200.0030.00316.65
7.4.160.0100.00616.40
7.4.150.0070.01317.40
7.4.140.0170.00517.86
7.4.130.0070.01016.46
7.4.120.0120.00816.47
7.4.110.0160.00616.49
7.4.100.0080.01316.48
7.4.90.0060.01016.36
7.4.80.0070.01419.39
7.4.70.0160.00416.38
7.4.60.0130.01016.52
7.4.50.0000.00416.21
7.4.40.0090.00716.32
7.4.30.0080.00816.36
7.4.10.0070.01315.05
7.4.00.0060.00915.05
7.3.330.0090.00013.29
7.3.320.0030.00313.49
7.3.310.0020.00516.36
7.3.300.0000.00616.34
7.3.290.0140.00616.39
7.3.280.0040.01116.41
7.3.270.0130.01017.40
7.3.260.0100.00716.54
7.3.240.0080.01216.69
7.3.230.0080.00816.70
7.3.210.0110.00616.38
7.3.200.0110.00719.39
7.3.190.0130.00316.69
7.3.180.0030.01316.54
7.3.170.0100.01016.41
7.3.160.0100.00616.36
7.3.130.0070.01015.05
7.3.120.0030.01514.72
7.3.110.0080.00914.92
7.3.100.0100.00414.78
7.3.90.0060.00614.99
7.3.80.0070.00814.90
7.3.70.0100.00314.82
7.3.60.0050.00814.68
7.3.50.0100.00314.95
7.3.40.0110.00314.88
7.3.30.0090.00614.93
7.3.20.0080.00416.78
7.3.10.0060.00816.63
7.3.00.0090.00716.69
7.2.330.0060.01216.57
7.2.320.0060.01416.45
7.2.310.0100.00716.79
7.2.300.0060.01116.78
7.2.290.0090.01216.77
7.2.260.0150.00614.69
7.2.250.0100.00914.99
7.2.240.0030.01315.14
7.2.230.0060.00914.82
7.2.220.0060.00814.99
7.2.210.0060.01014.91
7.2.200.0060.00915.07
7.2.190.0090.00715.05
7.2.180.0060.00815.18
7.2.170.0060.00815.07
7.2.160.0000.00915.11
7.2.150.0040.00816.98
7.2.140.0060.00617.06
7.2.130.0070.01017.12
7.2.120.0080.00816.82
7.2.110.0070.01016.98
7.2.100.0070.00716.92
7.2.90.0070.00316.71
7.2.80.0090.00616.80
7.2.70.0090.00617.02
7.2.60.0080.00617.03
7.2.50.0030.01016.88
7.2.40.0030.00616.98
7.2.30.0040.01116.99
7.2.20.0060.00616.70
7.2.10.0060.00916.98
7.2.00.0090.00616.93
7.1.330.0050.01115.90
7.1.320.0050.00515.64
7.1.310.0040.00715.79
7.1.300.0080.00615.76
7.1.290.0070.00715.60
7.1.280.0050.01015.63
7.1.270.0010.01015.71
7.1.260.0060.00815.61
7.1.250.0030.01315.71
7.1.240.0030.00515.54
7.1.230.0110.00415.82
7.1.220.0030.01015.72
7.1.210.0120.00315.91
7.1.200.0100.00515.59
7.1.190.0070.00715.88
7.1.180.0060.00615.79
7.1.170.0060.00615.85
7.1.160.0060.00315.84
7.1.150.0070.00715.62
7.1.140.0060.00615.71
7.1.130.0060.00915.88
7.1.120.0070.00715.81
7.1.110.0150.00016.05
7.1.100.0050.00917.01
7.1.90.0070.01015.75
7.1.80.0060.00315.86
7.1.70.0050.00616.65
7.1.60.0120.00817.62
7.1.50.0060.00716.35
7.1.40.0000.01015.80
7.1.30.0040.00815.82
7.1.20.0100.00015.95
7.1.10.0030.01015.76
7.1.00.0070.04018.90
7.0.330.0110.00315.35
7.0.320.0030.00515.36
7.0.310.0030.01015.61
7.0.300.0030.01015.41
7.0.290.0030.00715.25
7.0.280.0070.00715.38
7.0.270.0060.01215.29
7.0.260.0040.01115.38
7.0.250.0040.00815.38
7.0.240.0100.00315.34
7.0.230.0030.01015.40
7.0.220.0030.00615.61
7.0.210.0060.00615.28
7.0.200.0090.00416.07
7.0.190.0080.00815.46
7.0.180.0000.01015.15
7.0.170.0070.00315.59
7.0.160.0090.00615.44
7.0.150.0030.01015.37
7.0.140.0070.03518.65
7.0.130.0030.01215.34
7.0.120.0070.00415.45
7.0.110.0100.00315.16
7.0.100.0070.00315.44
7.0.90.0320.04217.65
7.0.80.0070.04517.67
7.0.70.0300.04317.77
7.0.60.0220.02717.69
7.0.50.0240.02717.86
7.0.40.0090.04516.83
7.0.30.0070.02816.76
7.0.20.0050.02516.76
7.0.10.0050.03216.72
7.0.00.0080.04516.78
5.6.400.0000.01514.68
5.6.390.0000.01214.55
5.6.380.0060.00614.45
5.6.370.0070.01014.51
5.6.360.0070.00714.64
5.6.350.0090.00614.63
5.6.340.0070.01014.53
5.6.330.0030.01514.25
5.6.320.0040.00414.18
5.6.310.0070.01014.34
5.6.300.0030.00614.68
5.6.290.0070.00714.38
5.6.280.0040.04117.77
5.6.270.0060.00314.54
5.6.260.0070.00714.28
5.6.250.0000.01414.46
5.6.240.0080.04317.39
5.6.230.0070.03917.37
5.6.220.0100.04217.51
5.6.210.0060.04517.52
5.6.200.0070.04217.58
5.6.190.0080.04617.68
5.6.180.0100.04017.89
5.6.170.0020.02817.79
5.6.160.0070.04517.63
5.6.150.0050.04017.60
5.6.140.0070.04717.66
5.6.130.0070.04317.67
5.6.120.0080.03917.88
5.6.110.0120.04017.72
5.6.100.0050.04117.74
5.6.90.0070.04017.71
5.6.80.0110.04317.40
5.6.70.0070.04417.41
5.6.60.0030.04717.41
5.6.50.0070.02817.29
5.6.40.0120.03717.29
5.6.30.0130.03417.41
5.6.20.0020.03317.28
5.6.10.0130.03817.45
5.6.00.0100.03717.41
5.5.380.0100.04017.41
5.5.370.0060.04317.56
5.5.360.0070.03717.31
5.5.350.0030.04917.36
5.5.340.0080.03117.51
5.5.330.0070.04217.41
5.5.320.0020.02817.50
5.5.310.0030.04617.37
5.5.300.0050.03017.50
5.5.290.0100.04317.56
5.5.280.0030.04617.56
5.5.270.0030.04917.64
5.5.260.0050.03117.63
5.5.250.0100.02117.34
5.5.240.0100.03917.25
5.5.230.0110.03617.27
5.5.220.0080.04317.19
5.5.210.0060.04117.35
5.5.200.0030.04717.06
5.5.190.0030.03117.31
5.5.180.0070.04317.22
5.5.170.0070.00714.08
5.5.160.0070.04217.14
5.5.150.0030.03817.38
5.5.140.0050.04317.23
5.5.130.0090.04517.11
5.5.120.0080.04117.10
5.5.110.0100.03617.24
5.5.100.0060.04117.12
5.5.90.0080.03717.01
5.5.80.0120.03817.01
5.5.70.0030.03217.21
5.5.60.0130.03817.18
5.5.50.0090.02417.13
5.5.40.0040.02917.13
5.5.30.0060.02617.20
5.5.20.0130.01716.88
5.5.10.0030.04517.11
5.5.00.0020.04717.02
5.4.450.0050.03915.22
5.4.440.0080.04315.20
5.4.430.0020.04815.26
5.4.420.0100.04115.25
5.4.410.0050.03615.13
5.4.400.0080.03515.11
5.4.390.0060.03814.96
5.4.380.0050.04014.96
5.4.370.0030.04515.16
5.4.360.0080.03315.13
5.4.350.0030.04115.00
5.4.340.0120.03314.96
5.4.330.0040.00410.80
5.4.320.0050.02915.17
5.4.310.0100.03714.97
5.4.300.0100.03515.04
5.4.290.0070.04114.99
5.4.280.0050.04114.99
5.4.270.0050.03815.10
5.4.260.0050.03514.89
5.4.250.0050.04014.96
5.4.240.0120.03714.84
5.4.230.0050.03814.91
5.4.220.0070.02515.13
5.4.210.0070.03715.16
5.4.200.0050.03015.02
5.4.190.0080.04114.94
5.4.180.0080.02015.10
5.4.170.0080.04115.10
5.4.160.0000.03015.22
5.4.150.0050.04115.08
5.4.140.0030.04013.70
5.4.130.0090.03213.73
5.4.120.0020.04013.75
5.4.110.0020.04613.71
5.4.100.0010.04313.72
5.4.90.0030.02513.78
5.4.80.0030.03413.76
5.4.70.0050.03313.68
5.4.60.0030.04313.75
5.4.50.0030.02513.74
5.4.40.0060.04113.77
5.4.30.0050.03013.59
5.4.20.0060.03813.72
5.4.10.0050.03213.66
5.4.00.0050.04013.52
5.3.290.0030.04714.68
5.3.280.0100.07714.71
5.3.270.0070.07014.67
5.3.260.0100.07014.63
5.3.250.0100.07314.59
5.3.240.0130.06314.63
5.3.230.0170.06714.62
5.3.220.0100.07314.55
5.3.210.0070.06714.66
5.3.200.0030.04314.57
5.3.190.0100.06714.70
5.3.180.0100.06714.59
5.3.170.0000.08714.49
5.3.160.0170.06314.55
5.3.150.0070.04714.66
5.3.140.0070.07314.57
5.3.130.0070.08014.67
5.3.120.0000.05014.61
5.3.110.0070.07314.61
5.3.100.0030.07714.14
5.3.90.0170.06014.02
5.3.80.0200.06714.11
5.3.70.0130.06714.01
5.3.60.0030.06314.00
5.3.50.0070.04014.06
5.3.40.0070.04314.05
5.3.30.0070.05313.91
5.3.20.0000.05713.75
5.3.10.0000.07713.79
5.3.00.0070.05713.63
5.2.170.0130.04311.01
5.2.160.0000.06011.20
5.2.150.0000.03711.21
5.2.140.0100.05011.28
5.2.130.0100.03711.21
5.2.120.0070.05711.24
5.2.110.0100.06011.01
5.2.100.0130.05711.00
5.2.90.0000.06711.00
5.2.80.0070.04710.98
5.2.70.0000.07011.03
5.2.60.0030.06011.19
5.2.50.0130.05311.01
5.2.40.0100.05710.88
5.2.30.0100.05311.09
5.2.20.0070.04710.94
5.2.10.0030.04310.79
5.2.00.0100.05010.63
5.1.60.0030.04710.10
5.1.50.0000.05710.00
5.1.40.0070.05010.05
5.1.30.0100.05310.30
5.1.20.0070.04710.43
5.1.10.0000.0579.92
5.1.00.0100.0509.95
5.0.50.0000.0278.56
5.0.40.0070.0338.40
5.0.30.0030.0338.28
5.0.20.0030.0208.23
5.0.10.0000.0308.24
5.0.00.0170.0238.05
4.4.90.0000.0377.44
4.4.80.0000.0277.44
4.4.70.0030.0377.44
4.4.60.0000.0407.44
4.4.50.0000.0377.44
4.4.40.0070.0477.44
4.4.30.0000.0377.44
4.4.20.0030.0337.44
4.4.10.0000.0377.44
4.4.00.0030.0237.44
4.3.110.0000.0337.44
4.3.100.0000.0177.44
4.3.90.0030.0337.44
4.3.80.0030.0437.44
4.3.70.0030.0137.44
4.3.60.0030.0137.44
4.3.50.0030.0177.44
4.3.40.0000.0277.44
4.3.30.0030.0137.44
4.3.20.0030.0107.44
4.3.10.0030.0137.44
4.3.00.0000.0177.44

preferences:
37.53 ms | 400 KiB | 5 Q