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16 de ene. de 2012 · You can specify the character range using regular expression. This saves from writing a really long switch case list. For example,
10 de oct. de 2012 · I'm trying to use a case that is a range of numbers. Seems to work alright, until you change the variable $number to 0 (ZERO). print "The number is between 0 and 10"; break; case $number >=11 && $number <=20: print "The number is between 11 and 20"; break; default: print "Your number is not between 0 and 20";
In a switch statement, the condition is evaluated only once and the result is compared to each case statement. In an elseif statement, the condition is evaluated again. If your condition is more complicated than a simple compare and/or is in a tight loop, a switch may be faster.
The PHP switch Statement. Use the switch statement to select one of many blocks of code to be executed. Syntax. switch (expression) { case label1: //code block break; case label2: //code block; break; case label3: //code block break; default: //code block } This is how it works: The expression is evaluated once.
15 de feb. de 2024 · La declaración PHP Switch tiene una sintaxis simple. Comienza con la palabra clave 'switch' seguida de una expresión (la condición) entre paréntesis y un bloque de código entre llaves. Dentro de ese bloque, podemos escribir múltiples declaraciones 'case' para definir diferentes condiciones.
11 de may. de 2024 · La declaración switch en PHP es una estructura de control que nos permite ejecutar diferentes bloques de código dependiendo del valor de una expresión. La sintaxis básica de la declaración switch en PHP es la siguiente: «`php. switch (expresion) { case valor1: // código a ejecutar si la expresión es igual a valor1. break; case valor2:
The switch statement compares an expression with the value in each case. If the expression equals a value in a case, e.g., value1, PHP executes the code block in the matching case until it encounters the first break statement.
