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<?php $text = <<<EOD The spread of a deadly new virus is accelerating, Chinese President Xi Jinping warned, after holding a special government meeting on the Lunar New Year public holiday. The country is facing a "grave situation" Mr Xi told senior officials. The coronavirus has killed at least 42 people and infected some 1,400 since its discovery in the city of Wuhan. Meanwhile, UK-based researchers have warned of a real possibility that China will not be able to contain the virus. Travel restrictions have come in place in several affected cities. From Sunday, private vehicles will be banned from central districts of Wuhan, the source of the outbreak. EOD; $words = explode(' ', $text); $concordance = 10; $results = array(); foreach (array_keys($words, 'in') as $idx) { $results[] = implode(' ', array_slice($words, max($idx - $concordance, 0), $concordance * 2 + 1)); } print_r($results); $words = explode(' ', $text); $concordance = 10; $results = array(); $last = 0; foreach (array_keys($words, 'in') as $idx) { if ($idx < $last) continue; $results[] = implode(' ', array_slice($words, max($idx - $concordance, 0), $concordance * 2 + 1)); $last = $idx + $concordance; } print_r($results);
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Array ( [0] => least 42 people and infected some 1,400 since its discovery in the city of Wuhan. Meanwhile, UK-based researchers have warned of a [1] => not be able to contain the virus. Travel restrictions have come in place in several affected cities. From Sunday, private vehicles will [2] => able to contain the virus. Travel restrictions have come in place in several affected cities. From Sunday, private vehicles will be banned ) Array ( [0] => least 42 people and infected some 1,400 since its discovery in the city of Wuhan. Meanwhile, UK-based researchers have warned of a [1] => not be able to contain the virus. Travel restrictions have come in place in several affected cities. From Sunday, private vehicles will )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Array ( [0] => least 42 people and infected some 1,400 since its discovery in the city of Wuhan. Meanwhile, UK-based researchers have warned of a [1] => not be able to contain the virus. Travel restrictions have come in place in several affected cities. From Sunday, private vehicles will [2] => able to contain the virus. Travel restrictions have come in place in several affected cities. From Sunday, private vehicles will be banned ) Array ( [0] => least 42 people and infected some 1,400 since its discovery in the city of Wuhan. Meanwhile, UK-based researchers have warned of a [1] => not be able to contain the virus. Travel restrictions have come in place in several affected cities. From Sunday, private vehicles will )
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163.41 ms | 403 KiB | 176 Q