excec multi line php code example

Example 1: php multiple line string

//use EOD function for multiple line variable
$variable=<<<EOD
  this is line1
  this is line2
  EOD;

Example 2: multi line dot match php

// This problem can be solved adding the “s” modifier to the regular
// expression. With this modifier, the “.” wildcard character matches 
//any possible character in the string, including newlines:

preg_match("#<body>(.*)</body>#s",$document,$matches)

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