Composer Version Cheatsheet

composer

"require": {
    // Exact version to 1.5.4
    "vendor/package": "1.5.4",

    // Greater or lower bounds
    "vendor/package": ">=1.5.0", // Anything above 1.5.0
    "vendor/package": "<1.5.0", // Anything below 1.5.0

    // Wildcard
    "vendor/package": "1.5.*", // >=1.5 <1.6

    // Next significant release
    "vendor/package": "~1.5", // >=1.5 <2.0.0 
    "vendor/package": "~1.5.2", // >=1.5.2 <1.6.0

    // Next release, major version fixed
    "vendor/package": "^1.5.2", // >=1.5.2 <2.0.0 
    "vendor/package": "^0.5.2", // >=0.5.2 <0.6.0
}