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Stability Constraints#
If you are using a constraint that does not explicitly define a stability, Composer will default internally to -dev or -stable, depending on the operator(s) used. This happens transparently.

If you wish to explicitly consider only the stable release in the comparison, add the suffix -stable.

Constraint Internally
1.2.3 =1.2.3.0-stable
>1.2 >1.2.0.0-stable
>=1.2 >=1.2.0.0-dev
>=1.2-stable >=1.2.0.0-stable
<1.3 <1.3.0.0-dev
<=1.3 <=1.3.0.0-stable
1 - 2 >=1.0.0.0-dev <3.0.0.0-dev
~1.3 >=1.3.0.0-dev <2.0.0.0-dev
1.4.* >=1.4.0.0-dev <1.5.0.0-dev

Summary#


"require": {
"vendor/package": "1.3.2", // exactly 1.3.2


// >, <, >=, <= | specify upper / lower bounds
"vendor/package": ">=1.3.2", // anything above or equal to 1.3.2
"vendor/package": "<1.3.2", // anything below 1.3.2


// * | wildcard
"vendor/package": "1.3.*", // >=1.3.0 <1.4.0


// ~ | allows last digit specified to go up
"vendor/package": "~1.3.2", // >=1.3.2 <1.4.0
"vendor/package": "~1.3", // >=1.3.0 <2.0.0


// ^ | doesn't allow breaking changes (major version fixed - following semver)
"vendor/package": "^1.3.2", // >=1.3.2 <2.0.0
"vendor/package": "^0.3.2", // >=0.3.2 <0.4.0 // except if
major version is 0
}

Selim Reza

Selim Reza

Software Developer , MBA - NSU.

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