PHP Classes

File: bin/symfony_requirements

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File: bin/symfony_requirements
Role: Example script
Content type: text/plain
Description: Example script
Class: PHP Polymorphism Example
Show several ways of implementing of polymorphism
Author: By
Last change:
Date: 3 years ago
Size: 3,935 bytes
 

Contents

Class file image Download
#!/usr/bin/env php
<?php

require_once dirname(__FILE__).'/../var/SymfonyRequirements.php';

$lineSize = 70;
$symfonyRequirements = new SymfonyRequirements();
$iniPath = $symfonyRequirements->getPhpIniConfigPath();

echo_title('Symfony Requirements Checker');

echo
'> PHP is using the following php.ini file:'.PHP_EOL;
if (
$iniPath) {
   
echo_style('green', ' '.$iniPath);
} else {
   
echo_style('yellow', ' WARNING: No configuration file (php.ini) used by PHP!');
}

echo
PHP_EOL.PHP_EOL;

echo
'> Checking Symfony requirements:'.PHP_EOL.' ';

$messages = array();
foreach (
$symfonyRequirements->getRequirements() as $req) {
    if (
$helpText = get_error_message($req, $lineSize)) {
       
echo_style('red', 'E');
       
$messages['error'][] = $helpText;
    } else {
       
echo_style('green', '.');
    }
}

$checkPassed = empty($messages['error']);

foreach (
$symfonyRequirements->getRecommendations() as $req) {
    if (
$helpText = get_error_message($req, $lineSize)) {
       
echo_style('yellow', 'W');
       
$messages['warning'][] = $helpText;
    } else {
       
echo_style('green', '.');
    }
}

if (
$checkPassed) {
   
echo_block('success', 'OK', 'Your system is ready to run Symfony projects');
} else {
   
echo_block('error', 'ERROR', 'Your system is not ready to run Symfony projects');

   
echo_title('Fix the following mandatory requirements', 'red');

    foreach (
$messages['error'] as $helpText) {
        echo
' * '.$helpText.PHP_EOL;
    }
}

if (!empty(
$messages['warning'])) {
   
echo_title('Optional recommendations to improve your setup', 'yellow');

    foreach (
$messages['warning'] as $helpText) {
        echo
' * '.$helpText.PHP_EOL;
    }
}

echo
PHP_EOL;
echo_style('title', 'Note');
echo
' The command console could use a different php.ini file'.PHP_EOL;
echo_style('title', '~~~~');
echo
' than the one used with your web server. To be on the'.PHP_EOL;
echo
' safe side, please check the requirements from your web'.PHP_EOL;
echo
' server using the ';
echo_style('yellow', 'web/config.php');
echo
' script.'.PHP_EOL;
echo
PHP_EOL;

exit(
$checkPassed ? 0 : 1);

function
get_error_message(Requirement $requirement, $lineSize)
{
    if (
$requirement->isFulfilled()) {
        return;
    }

   
$errorMessage = wordwrap($requirement->getTestMessage(), $lineSize - 3, PHP_EOL.' ').PHP_EOL;
   
$errorMessage .= ' > '.wordwrap($requirement->getHelpText(), $lineSize - 5, PHP_EOL.' > ').PHP_EOL;

    return
$errorMessage;
}

function
echo_title($title, $style = null)
{
   
$style = $style ?: 'title';

    echo
PHP_EOL;
   
echo_style($style, $title.PHP_EOL);
   
echo_style($style, str_repeat('~', strlen($title)).PHP_EOL);
    echo
PHP_EOL;
}

function
echo_style($style, $message)
{
   
// ANSI color codes
   
$styles = array(
       
'reset' => "\033[0m",
       
'red' => "\033[31m",
       
'green' => "\033[32m",
       
'yellow' => "\033[33m",
       
'error' => "\033[37;41m",
       
'success' => "\033[37;42m",
       
'title' => "\033[34m",
    );
   
$supports = has_color_support();

    echo(
$supports ? $styles[$style] : '').$message.($supports ? $styles['reset'] : '');
}

function
echo_block($style, $title, $message)
{
   
$message = ' '.trim($message).' ';
   
$width = strlen($message);

    echo
PHP_EOL.PHP_EOL;

   
echo_style($style, str_repeat(' ', $width));
    echo
PHP_EOL;
   
echo_style($style, str_pad(' ['.$title.']', $width, ' ', STR_PAD_RIGHT));
    echo
PHP_EOL;
   
echo_style($style, $message);
    echo
PHP_EOL;
   
echo_style($style, str_repeat(' ', $width));
    echo
PHP_EOL;
}

function
has_color_support()
{
    static
$support;

    if (
null === $support) {
        if (
DIRECTORY_SEPARATOR == '\\') {
           
$support = false !== getenv('ANSICON') || 'ON' === getenv('ConEmuANSI');
        } else {
           
$support = function_exists('posix_isatty') && @posix_isatty(STDOUT);
        }
    }

    return
$support;
}