PHP Lecture 1 - String, Constants, Arrays, Operators

PHP Lecture 1 - String, Constants, Arrays, Operators

• 1.
  WEB DEVELOPMENT
• 2.
  PHP PRESENTATORS MD. AL-MAMUN SARKAR
• 3.
  PHP String Constants 1 2 Arrays3 Operators4
• 4.
  String str_word_count("Hello world!")2 strrev("Hello world!")3 str_replace("world","Dolly", "Hello world!")4 strpos("Hello world!", "world")5 strlen("Hello world!")1
• 5.
  Constant define(name, value, case-insensitive) 2
• 6.
  Operators Assignment operators2 Comparison operators3 Increment/Decrementoperators4 Logical operators5 Arithmetic operators1 String operators6
• 7.
  Arithmetic operators
• 8.
  Assignment operators
• 9.
  Comparison operators
• 10.
  Increment/Decrement
• 11.
  Logical operators
• 12.
  String operators
• 13.
  Array • Indexed arrays- Arrays with a numeric index • Associative arrays - Arrays with named keys • Multidimensional arrays - Arrays containing one or more arrays
• 14.
  Array function • sort()- sort arrays in ascending order • rsort() - sort arrays in descending order • asort() - sort associative arrays in ascending order, according to the value • ksort() - sort associative arrays in ascending order, according to the key • arsort() - sort associative arrays in descending order, according to the value • krsort() - sort associative arrays in descending order, according to the key
• 15.
  Superglobals • $GLOBALS • $_SERVER •$_REQUEST • $_POST • $_GET • $_FILES • $_ENV • $_COOKIE • $_SESSION
• 16.
  QUESTION ?
• 17.
  THANK YOU