3v4l.org

run code in 300+ PHP versions simultaneously
<?php function highlight($text, $words) { preg_match_all ( '~[a-zA-Z_\']+~', $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 Mechanics test Mechanics test test test test Mechanics'; $word = 'Mech'; echo "\n".highlight($text,$word); echo "\n".str_replace($word,"<em>$word</em>",$text) ;

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)
8.3.60.0180.00316.88
8.3.50.0130.00716.75
8.3.40.0060.01218.96
8.3.30.0150.00019.01
8.3.20.0080.00020.29
8.3.10.0030.00521.82
8.3.00.0000.00819.51
8.2.180.0090.00917.00
8.2.170.0040.01122.96
8.2.160.0120.00320.57
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00421.16
8.2.120.0080.00026.35
8.2.110.0120.00621.03
8.2.100.0060.00618.16
8.2.90.0030.00519.20
8.2.80.0040.00417.97
8.2.70.0040.00417.88
8.2.60.0030.00618.03
8.2.50.0040.00418.10
8.2.40.0040.00420.60
8.2.30.0040.00421.12
8.2.20.0000.00718.26
8.2.10.0080.00018.14
8.2.00.0050.00318.24
8.1.280.0110.01125.92
8.1.270.0000.00822.26
8.1.260.0050.00326.35
8.1.250.0030.00628.09
8.1.240.0060.00323.83
8.1.230.0030.00917.70
8.1.220.0000.00817.79
8.1.210.0030.00618.77
8.1.200.0000.01017.60
8.1.190.0060.00317.35
8.1.180.0030.00618.10
8.1.170.0000.01118.77
8.1.160.0000.00719.05
8.1.150.0110.00018.96
8.1.140.0050.00319.59
8.1.130.0000.01119.01
8.1.120.0050.00317.66
8.1.110.0030.00517.69
8.1.100.0030.00617.68
8.1.90.0070.00417.64
8.1.80.0050.00317.67
8.1.70.0040.00417.61
8.1.60.0080.00017.65
8.1.50.0040.00417.59
8.1.40.0060.00317.73
8.1.30.0000.00817.83
8.1.20.0070.00317.84
8.1.10.0040.00417.73
8.1.00.0060.00317.74
8.0.300.0040.00418.77
8.0.290.0090.00016.88
8.0.280.0030.00318.43
8.0.270.0030.00317.21
8.0.260.0060.00316.91
8.0.250.0000.00717.02
8.0.240.0040.00417.04
8.0.230.0030.00317.11
8.0.220.0000.00816.98
8.0.210.0070.00017.07
8.0.200.0040.00417.02
8.0.190.0110.00017.12
8.0.180.0040.00417.16
8.0.170.0000.00717.11
8.0.160.0030.00517.05
8.0.150.0050.00217.05
8.0.140.0040.00717.04
8.0.130.0000.00713.46
8.0.120.0040.00416.88
8.0.110.0070.00017.02
8.0.100.0040.00417.13
8.0.90.0040.00417.11
8.0.80.0060.01017.09
8.0.70.0040.00416.90
8.0.60.0000.00717.06
8.0.50.0030.00516.96
8.0.30.0150.00117.32
8.0.20.0120.00717.41
8.0.10.0000.00717.05
8.0.00.0120.00616.90
7.4.330.0020.00215.55
7.4.320.0030.00316.64
7.4.300.0030.00316.78
7.4.290.0070.00316.73
7.4.280.0030.00516.86
7.4.270.0000.00816.77
7.4.260.0050.00013.41
7.4.250.0030.00316.71
7.4.240.0000.00816.77
7.4.230.0000.00716.82
7.4.220.0110.01016.84
7.4.210.0080.00816.70
7.4.200.0000.00716.83
7.4.160.0100.00716.63
7.4.150.0180.00617.40
7.4.140.0130.00817.86
7.4.130.0090.00916.71
7.4.120.0100.01216.87
7.4.110.0150.00316.71
7.4.100.0090.01116.79
7.4.90.0000.01716.74
7.4.80.0100.00719.39
7.4.70.0130.00316.76
7.4.60.0070.01116.76
7.4.50.0100.00616.58
7.4.40.0100.01016.61
7.4.30.0120.00616.71
7.4.00.0050.01215.09
7.3.330.0000.00613.29
7.3.320.0030.00313.39
7.3.310.0040.00416.46
7.3.300.0000.00716.35
7.3.290.0100.00616.45
7.3.280.0090.00716.47
7.3.270.0030.01617.40
7.3.260.0050.01216.80
7.3.250.0140.01016.64
7.3.240.0110.00916.59
7.3.230.0030.01516.41
7.3.210.0060.01616.49
7.3.200.0150.00316.56
7.3.190.0030.01316.41
7.3.180.0140.00316.87
7.3.170.0110.01116.54
7.3.160.0150.00316.52
7.3.120.0030.01415.03
7.3.110.0050.01215.17
7.3.100.0040.01615.01
7.3.90.0030.01214.87
7.3.80.0100.00714.81
7.3.70.0090.00015.01
7.3.60.0050.01014.98
7.3.50.0060.00614.85
7.3.40.0020.01214.98
7.3.30.0070.00514.91
7.3.20.0080.00816.92
7.3.10.0050.00816.89
7.3.00.0070.00516.71
7.2.330.0070.01316.77
7.2.320.0040.01516.85
7.2.310.0130.00316.89
7.2.300.0080.00816.92
7.2.290.0110.00616.91
7.2.250.0070.01315.22
7.2.240.0110.00815.10
7.2.230.0080.00615.08
7.2.220.0080.00815.27
7.2.210.0050.00915.18
7.2.200.0080.00615.00
7.2.190.0070.00715.12
7.2.180.0120.00515.02
7.2.170.0030.01115.22
7.2.160.0110.00415.14
7.2.150.0090.00417.14
7.2.140.0040.01216.88
7.2.130.0040.01116.92
7.2.120.0030.00617.12
7.2.110.0070.00717.02
7.2.100.0030.00916.86
7.2.90.0060.00617.14
7.2.80.0030.01016.96
7.2.70.0160.00316.93
7.2.60.0050.00917.23
7.2.50.0120.00417.30
7.2.40.0060.00616.93
7.2.30.0060.00917.27
7.2.20.0030.01417.01
7.2.10.0060.01217.09
7.2.00.0050.00918.41
7.1.330.0020.01115.99
7.1.320.0020.01616.10
7.1.310.0040.01215.92
7.1.300.0030.01116.06
7.1.290.0060.00816.05
7.1.280.0050.00815.95
7.1.270.0050.01016.08
7.1.260.0050.00715.99
7.1.250.0060.00915.89
7.1.240.0040.00815.78
7.1.230.0030.01216.08
7.1.220.0040.00416.21
7.1.210.0030.00916.08
7.1.200.0030.00915.98
7.1.190.0100.00615.96
7.1.180.0050.00516.03
7.1.170.0100.00315.88
7.1.160.0000.00816.00
7.1.150.0000.01416.02
7.1.140.0090.00616.02
7.1.130.0070.00416.02
7.1.120.0060.00915.64
7.1.110.0040.01016.06
7.1.100.0050.00716.99
7.1.90.0100.00316.10
7.1.80.0090.00316.00
7.1.70.0060.00816.57
7.1.60.0150.00625.72
7.1.50.0110.00625.61
7.1.40.0080.01125.23
7.1.30.0130.00825.34
7.1.20.0110.01025.27
7.1.10.0090.00516.35
7.1.00.0040.01016.54
7.0.330.0070.00715.61
7.0.320.0040.00815.33
7.0.310.0000.01515.47
7.0.300.0100.00315.42
7.0.290.0040.00815.69
7.0.280.0000.01815.67
7.0.270.0000.00915.85
7.0.260.0110.00415.52
7.0.250.0030.01515.61
7.0.240.0060.00315.82
7.0.230.0110.00415.64
7.0.220.0050.00515.54
7.0.210.0040.01115.29
7.0.200.0080.00616.16
7.0.190.0060.00516.24
7.0.180.0040.00715.94
7.0.170.0030.01116.03
7.0.160.0060.00715.96
7.0.150.0060.00915.95
7.0.140.0030.00816.09
7.0.130.0080.00516.22
7.0.120.0030.00816.14
7.0.110.0060.00415.98
7.0.100.0020.01216.13
7.0.90.0020.01315.87
7.0.80.0040.00816.03
7.0.70.0030.00716.08
7.0.60.0050.00815.99
7.0.50.0070.00816.04
7.0.40.0020.01115.21
7.0.30.0060.00615.13
7.0.20.0060.00915.06
7.0.10.0080.00415.16
7.0.00.0050.00615.17
5.6.400.0030.01014.73
5.6.390.0070.00714.26
5.6.380.0030.01014.41
5.6.370.0040.00714.10
5.6.360.0030.01014.89
5.6.350.0060.00614.63
5.6.340.0040.01514.56
5.6.330.0090.00314.31
5.6.320.0070.00414.43
5.6.310.0090.00614.58
5.6.300.0060.00614.04
5.6.290.0060.00614.46
5.6.280.0090.00614.24
5.6.270.0070.00614.41
5.6.260.0080.00314.38
5.6.250.0130.00314.40
5.6.240.0030.01214.58
5.6.230.0000.00914.51
5.6.220.0060.00614.64
5.6.210.0090.00614.53
5.6.200.0030.00714.82
5.6.190.0060.01014.39
5.6.180.0070.00714.54
5.6.170.0030.01214.24
5.6.160.0030.01014.69
5.6.150.0070.00714.51
5.6.140.0060.01214.28
5.6.130.0060.00914.39
5.6.120.0090.00614.54
5.6.110.0110.00314.66
5.6.100.0080.00414.35
5.6.90.0020.00914.56
5.6.80.0000.01514.36
5.6.70.0040.01114.51
5.6.60.0030.01014.43
5.6.50.0070.00714.60
5.6.40.0090.00614.47
5.6.30.0100.00714.34
5.6.20.0060.00614.21
5.6.10.0110.00414.27
5.6.00.0040.01114.44

preferences:
69.1 ms | 401 KiB | 5 Q