newphp

#!/usr/local/php70/bin/php
<?php
$prefix = "/usr/local";

$map = [
 'bin/phar'=>'bin/phar.phar',
 'bin/phar.phar'=>'bin/phar.phar',
 'bin/php'=>'bin/php',
 'bin/php-cgi'=>'bin/php-cgi',
 'bin/php-config'=>'bin/php-config',
 'bin/phpize'=>'bin/phpize',
 'include/php'=>'include/php',
 'lib/php/build'=>'lib/php/build',
 'php'=>'php',
 'sbin/php-fpm'=>'sbin/php-fpm'
];

if($argc<2) usage();

$debug = $zts = false;
if($argc>2) {
    if($argv[2] == 'debug') { $debug = true; $zts = false; }
    else if($argv[2] == 'zts') { $debug = false; $zts = true; }
    else if($argv[2] == 'debugzts') { $debug = true; $zts = true; }
}

$version = $argv[1];
if($version=='7') switch_php('php70', $debug, $zts);
else if($version=='5') switch_php('php56', $debug, $zts);
else if(file_exists("$prefix/$version/bin/php")) switch_php($version, $debug, $zts);
else switch_php('php'.$version, $debug, $zts);

function usage() {
    global $argv;
    $cmd = basename($argv[0]);
    echo "Usage: $cmd 70|56|55|54|53|52|51 [debug/zts/debug-zts]\n";
    echo "To switch to PHP 5.5-debug: tryphp 55 debug\n\n";
    exit;
}

function switch_php($version, $debug=false, $zts = false) {
    global $map, $prefix;

    $path = "$prefix/$version";
    if($debug) $path .= '-debug';
    if($zts) $path .= '-zts';
    if(!is_file("$path/bin/php")) {
        echo "$prefix/$version/bin/php doesn't exist\n";
        return false;
    }
    $real_version = trim(shell_exec("$prefix/$version/bin/php -v | head -1"));
    echo "Activating PHP $real_version and restarting php-fpm\n";

    foreach($map as $link=>$target) {
        // echo "Creating $prefix/$link => $path/$target\n";
        symlink_it("$path/$target", "$prefix/$link");
    }

    shell_exec("service php-fpm restart");
}

function symlink_it($target, $link) {
    // Skip files that have been hard-linked in place
    if(file_exists($link) && !is_link($link)) return false;
    shell_exec("ln -f -s $target $link");
}