3v4l.org

run code in 300+ PHP versions simultaneously
<?php function highlight($text, $words) { preg_match_all ( '~[\w\'\"]+~', $words, $m ); if (! $m) return $text; $re = '~\\b(' . implode ( '|', $m [0] ) . ')\\b~i'; return preg_replace ( $re, '<em>$0</em>', $text ); } $text = "this is Mechanic's test"; $word = "Mechanic's"; echo highlight($text,$word); $text = 'this is Mechanic"s test'; $word = 'Mechanic"s'; echo "\n".highlight($text,$word); $text = 'this is Mechanics test'; $word = 'Mech'; echo "\n".highlight($text,$word);

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)
8.3.60.0150.00016.75
8.3.50.0060.00916.50
8.3.40.0120.00319.05
8.3.30.0080.00818.92
8.3.20.0050.00220.31
8.3.10.0080.00023.70
8.3.00.0050.00319.51
8.2.180.0120.00316.38
8.2.170.0120.00322.96
8.2.160.0140.00320.34
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00419.27
8.2.120.0050.00326.35
8.2.110.0100.00720.38
8.2.100.0080.00318.15
8.2.90.0000.00819.26
8.2.80.0050.00318.05
8.2.70.0040.00417.63
8.2.60.0040.00418.05
8.2.50.0000.00818.10
8.2.40.0040.00420.66
8.2.30.0040.00421.05
8.2.20.0040.00418.06
8.2.10.0030.00618.15
8.2.00.0080.00018.26
8.1.280.0070.01125.92
8.1.270.0050.00222.19
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00324.02
8.1.230.0120.00017.81
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0030.00617.48
8.1.190.0030.00617.35
8.1.180.0000.00818.10
8.1.170.0040.00418.65
8.1.160.0050.00219.04
8.1.150.0000.00718.91
8.1.140.0030.00519.62
8.1.130.0000.00718.87
8.1.120.0000.00717.64
8.1.110.0000.00717.50
8.1.100.0030.00517.63
8.1.90.0000.01117.59
8.1.80.0070.00017.65
8.1.70.0080.00017.60
8.1.60.0000.00817.71
8.1.50.0030.00517.71
8.1.40.0080.00017.61
8.1.30.0000.00817.80
8.1.20.0080.00417.80
8.1.10.0030.00617.75
8.1.00.0030.00617.56
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00318.51
8.0.270.0030.00317.28
8.0.260.0050.00316.97
8.0.250.0040.00417.03
8.0.240.0000.00717.08
8.0.230.0000.00717.11
8.0.220.0030.00317.04
8.0.210.0080.00017.07
8.0.200.0040.00417.03
8.0.190.0030.00617.14
8.0.180.0040.00417.10
8.0.170.0070.00016.99
8.0.160.0040.00417.10
8.0.150.0000.00817.02
8.0.140.0030.00616.98
8.0.130.0050.00013.54
8.0.120.0050.00317.04
8.0.110.0050.00317.04
8.0.100.0000.00716.91
8.0.90.0040.00417.02
8.0.80.0100.00617.03
8.0.70.0020.00517.02
8.0.60.0040.00416.92
8.0.50.0040.00416.92
8.0.30.0120.00617.02
8.0.20.0100.00917.45
8.0.10.0050.00217.08
8.0.00.0150.00317.06
7.4.330.0000.00515.55
7.4.320.0000.00616.79
7.4.300.0040.00416.86
7.4.290.0060.00716.71
7.4.280.0000.00816.73
7.4.270.0000.00716.79
7.4.260.0070.00016.71
7.4.250.0000.00716.70
7.4.240.0040.00416.73
7.4.230.0030.00316.63
7.4.220.0060.01016.92
7.4.210.0100.00916.87
7.4.200.0040.00416.71
7.4.160.0070.00916.62
7.4.150.0160.00517.40
7.4.140.0130.00817.86
7.4.130.0130.00716.83
7.4.120.0090.01116.68
7.4.110.0120.01216.78
7.4.100.0090.00916.59
7.4.90.0090.00916.60
7.4.80.0080.01719.39
7.4.70.0130.00416.73
7.4.60.0100.00616.74
7.4.50.0040.01116.78
7.4.40.0100.00616.82
7.4.30.0100.00716.55
7.4.10.0090.00915.21
7.4.00.0100.00715.21
7.3.330.0030.00313.46
7.3.320.0050.00013.40
7.3.310.0000.00716.35
7.3.300.0030.00316.32
7.3.290.0030.00316.50
7.3.280.0090.00816.43
7.3.270.0100.00717.40
7.3.260.0140.00316.51
7.3.250.0110.00916.68
7.3.240.0080.00916.61
7.3.230.0070.01416.83
7.3.210.0070.01016.74
7.3.200.0090.00916.51
7.3.190.0070.01016.47
7.3.180.0030.01316.54
7.3.170.0070.01016.76
7.3.160.0100.00716.52
7.3.130.0120.00615.00
7.3.120.0090.00914.86
7.3.110.0070.01114.92
7.3.100.0050.00714.81
7.3.90.0020.01114.96
7.3.80.0090.00615.06
7.3.70.0050.00814.88
7.3.60.0050.00814.92
7.3.50.0050.00615.03
7.3.40.0080.00314.97
7.3.30.0070.00714.93
7.3.20.0130.00316.65
7.3.10.0050.00416.80
7.3.00.0050.00916.70
7.2.330.0030.01816.74
7.2.320.0070.01016.87
7.2.310.0170.00316.83
7.2.300.0180.00416.75
7.2.290.0130.01016.84
7.2.260.0060.01215.18
7.2.250.0100.01015.20
7.2.240.0040.01115.17
7.2.230.0040.01115.24
7.2.220.0050.01015.24
7.2.210.0050.00715.16
7.2.200.0080.00615.16
7.2.190.0000.01215.20
7.2.180.0060.00315.36
7.2.170.0080.00514.95
7.2.160.0040.01215.23
7.2.150.0060.00317.21
7.2.140.0070.00417.09
7.2.130.0080.00916.96
7.2.120.0070.00917.23
7.2.110.0090.00916.88
7.2.100.0080.00817.10
7.2.90.0090.00917.13
7.2.80.0100.00716.92
7.2.70.0110.00817.03
7.2.60.0070.01016.93
7.2.50.0130.00817.14
7.2.40.0080.01117.11
7.2.30.0080.01017.12
7.2.20.0080.01017.08
7.2.10.0090.00917.13
7.2.00.0070.00817.74
7.1.330.0050.01016.22
7.1.320.0060.00616.15
7.1.310.0050.00715.93
7.1.300.0040.01015.92
7.1.290.0060.00816.14
7.1.280.0030.01115.98
7.1.270.0060.00615.86
7.1.260.0040.00915.92
7.1.250.0140.00315.91
7.1.240.0080.00915.84
7.1.230.0080.00916.00
7.1.220.0090.00516.07
7.1.210.0080.00716.10
7.1.200.0100.00616.08
7.1.190.0130.00615.92
7.1.180.0110.00915.99
7.1.170.0090.01015.87
7.1.160.0150.00415.83
7.1.150.0100.00715.96
7.1.140.0110.00716.05
7.1.130.0100.00615.70
7.1.120.0070.00815.91
7.1.110.0040.01115.97
7.1.100.0090.00816.53
7.1.90.0110.00716.00
7.1.80.0090.00816.05
7.1.70.0060.00616.04
7.1.60.0120.00820.85
7.1.50.0100.00720.69
7.1.40.0100.00820.58
7.1.30.0110.00820.49
7.1.20.0130.00620.67
7.1.10.0060.00916.07
7.1.00.0060.00816.24
7.0.330.0100.00815.50
7.0.320.0110.00715.43
7.0.310.0040.01215.39
7.0.300.0050.01215.42
7.0.290.0090.00815.46
7.0.280.0110.00515.48
7.0.270.0070.00715.55
7.0.260.0070.00715.25
7.0.250.0080.00915.52
7.0.240.0090.00715.53
7.0.230.0040.01215.63
7.0.220.0090.00715.58
7.0.210.0030.01015.37
7.0.200.0070.00915.85
7.0.190.0080.00715.70
7.0.180.0050.00815.57
7.0.170.0070.00615.59
7.0.160.0080.00515.78
7.0.150.0070.00615.69
7.0.140.0080.00515.75
7.0.130.0070.00615.70
7.0.120.0060.00815.85
7.0.110.0070.00715.77
7.0.100.0040.00615.89
7.0.90.0050.00915.75
7.0.80.0070.01015.65
7.0.70.0060.00715.69
7.0.60.0040.00715.69
7.0.50.0060.00715.82
7.0.40.0050.01014.35
7.0.30.0060.00514.23
7.0.20.0100.00414.24
7.0.10.0040.00914.35
7.0.00.0030.00914.25
5.6.400.0100.00314.38
5.6.390.0100.00014.11
5.6.380.0100.00714.62
5.6.370.0030.01414.35
5.6.360.0030.00614.46
5.6.350.0070.00714.40
5.6.340.0070.01114.50
5.6.330.0060.00314.61
5.6.320.0090.00414.66
5.6.310.0040.00714.31
5.6.300.0000.01014.73
5.6.290.0030.01014.85
5.6.280.0070.00414.22
5.6.270.0080.00814.83
5.6.260.0060.00914.77
5.6.250.0060.00614.82
5.6.240.0080.00014.62
5.6.230.0060.00614.55
5.6.220.0060.00314.53
5.6.210.0040.00814.58
5.6.200.0070.00314.27
5.6.190.0030.00614.84
5.6.180.0070.00414.43
5.6.170.0090.00614.39
5.6.160.0040.00814.52
5.6.150.0060.00614.40
5.6.140.0040.00414.60
5.6.130.0120.00314.38
5.6.120.0040.00914.55
5.6.110.0060.00914.28
5.6.100.0060.00914.53
5.6.90.0040.01114.52
5.6.80.0030.00614.30
5.6.70.0060.00614.30
5.6.60.0140.00014.28
5.6.50.0040.01114.66
5.6.40.0070.00714.49
5.6.30.0030.01014.39
5.6.20.0070.00314.41
5.6.10.0030.01014.29
5.6.00.0030.00914.53

preferences:
44.36 ms | 400 KiB | 5 Q