A small script for easier management of multiple version of PHP with Homebrew on macOS

phpver

#!/usr/bin/env php
<?php

$ver = isset($argv[1]) ? $argv[1] : null;

if (!$ver) {
    echo "Missing version argument\n";
    exit(1);
}

if (!is_numeric($ver) || !preg_match("/^[5-9]\.[0-9]$/", $ver)) {
    echo "Invalid version format, version number must be a decimal value with precision of one, e.g. 7.0\n";
    exit(2);
}

$user = get_current_user();

$bash_profile = file_get_contents("/Users/$user/.bash_profile");

file_put_contents("/Users/$user/.bash_profile", preg_replace("/php@\d+\.\d+/", "php@$ver", $bash_profile));
echo "\n";
echo "PHP set to: $ver\n";
echo "Restart the terminal for the changes to take effect.\n";
echo "\n";