🟡 Control Flow · Lesson 11

String Functions

PHP String Functions

PHP has many built-in functions to work with text.

Common Functions

<?php
  $s = "CodeKaFunda";
  echo strlen($s);            // 11
  echo strtoupper($s);        // CODEKAFUNDA
  echo substr($s, 0, 4);      // Code
  echo str_replace("Funda", "Master", $s);  // CodeKaMaster
?>

explode and implode

<?php
  $csv = "apple,mango,kiwi";
  $arr = explode(",", $csv);   // array
  echo $arr[1];                 // mango
  echo implode(" - ", $arr);    // apple - mango - kiwi
?>

Summary

strlen, strtoupper, substr, str_replace work on text.
explode splits a string into an array; implode joins back.

PHP String Functions

PHP में text के साथ काम करने के लिए कई built-in functions हैं।

Common Functions

<?php
  $s = "CodeKaFunda";
  echo strlen($s);            // 11
  echo strtoupper($s);        // CODEKAFUNDA
  echo substr($s, 0, 4);      // Code
  echo str_replace("Funda", "Master", $s);  // CodeKaMaster
?>

explode और implode

<?php
  $csv = "apple,mango,kiwi";
  $arr = explode(",", $csv);   // array
  echo $arr[1];                 // mango
  echo implode(" - ", $arr);    // apple - mango - kiwi
?>

सारांश

strlen, strtoupper, substr, str_replace text पर काम करते हैं।
explode string को array में तोड़ता है; implode वापस जोड़ता है।

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