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@ 2019-05-16T09:18:04Z

<?php

$a = "Lorem IPSUM dolor sit amet, consectetur ipsum adipiscing elit.";

$dolor =  substr($a, 12, 5);
echo "substr from position 15, 5 characters => ".$dolor."\n";

$elit = substr($a, -5, 4);
echo "substr from position -5, 4 characters => ".$elit."\n";

// case sensitive
$dolor_position = strpos($a, "dolor");
echo "strpos of dolor (case sensitive) => ".$dolor_position."\n";

// case insensitive
$dolor_position_i = stripos($a, "dOLor");
echo "stripos of dOLlor (case insensitive) => ".$dolor_position_i."\n";

// case sensitive
$new_a = str_replace("ipsum", "hello", $a);
echo "str_replace ipsum (case sensitive) with hello => ".$new_a."\n";

// case insensitive
$new_a = str_ireplace("ipsum", "hello", $a);
echo "str_replace ipsum (case insensitive) with hello => ".$new_a."\n";

$len = strlen($a);
echo "strlen (length) of a => ".$len."\n";

Output for git.master, git.master_jit, rfc.property-hooks: substr from position 15, 5 characters => dolor substr from position -5, 4 characters => elit strpos of dolor (case sensitive) => 12 stripos of dOLlor (case insensitive) => 12 str_replace ipsum (case sensitive) with hello => Lorem IPSUM dolor sit amet, consectetur hello adipiscing elit. str_replace ipsum (case insensitive) with hello => Lorem hello dolor sit amet, consectetur hello adipiscing elit. strlen (length) of a => 62

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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