install-php-and-composer.sh

#!/bin/bash

# Update package list
echo "Updating package list..."
sudo apt update

# Install PHP
echo "Installing PHP..."
sudo apt install -y php8.0

# Verify PHP installation
echo "Verifying PHP installation..."
php -v

# Download Composer installer
echo "Downloading Composer installer..."
php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"

# Verify the installer (Note: Change the hash with the latest from Composer website)
EXPECTED_SIGNATURE=$(wget -q -O - https://composer.github.io/installer.sig)
ACTUAL_SIGNATURE=$(php -r "echo hash_file('SHA384', 'composer-setup.php');")

if [ "$EXPECTED_SIGNATURE" != "$ACTUAL_SIGNATURE" ]
then
    echo "ERROR: Invalid installer signature"
    rm composer-setup.php
    exit 1
fi

# Install Composer globally
echo "Installing Composer..."
sudo php composer-setup.php --install-dir=/usr/local/bin --filename=composer

# Remove the installer
echo "Removing installer..."
php -r "unlink('composer-setup.php');"

# Verify Composer installation
echo "Verifying Composer installation..."
composer --version

echo "Installation completed successfully."