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PHP

Generating Random ASCII Strings

See more PRNG Examples

Demonstrates how to generate random us-ascii strings.

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Chilkat2 PHP
<?php

use Chilkat2\Prng;

$success = false;

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

$success = false;

$fortuna = new Prng();

// Generate random strings having only lowercase chars (a-z)
// Disallow digits and uppercase and only allow lowercase
$bDigits = false;
$bUppercase = false;
$bLowercase = true;

echo "-- only lowercase alpha (a-z)\n";
for ($i = 1; $i <= 10; $i++) {
    // Generate 20-character strings.
    echo $fortuna->RandomString(20, $bDigits, $bLowercase, $bUppercase), "\n";
}

// Allow both lowercase and uppercase alpha chars
$bUppercase = true;
echo "-- lower and uppercase alpha (a-zA-Z)\n";
for ($i = 1; $i <= 10; $i++) {
    // Generate 20-character strings.
    echo $fortuna->RandomString(20, $bDigits, $bLowercase, $bUppercase), "\n";
}

// Allow digits (0-9)
$bDigits = true;
echo "-- digits and lower/uppercase alpha (0-9a-zA-Z)\n";
for ($i = 1; $i <= 10; $i++) {
    // Generate 20-character strings.
    echo $fortuna->RandomString(20, $bDigits, $bLowercase, $bUppercase), "\n";
}

// Allow only digits (0-9)
$bUppercase = false;
$bLowercase = false;
echo "-- only digits (0-9)\n";
for ($i = 1; $i <= 10; $i++) {
    // Generate 20-character strings.
    echo $fortuna->RandomString(20, $bDigits, $bLowercase, $bUppercase), "\n";
}