3v4l.org

run code in 300+ PHP versions simultaneously
<?php function maybe_unserialize( $original ) { if ( is_serialized( $original ) ) return @unserialize( $original ); return $original; } function is_serialized( $data, $strict = true ) { // if it isn't a string, it isn't serialized if ( ! is_string( $data ) ) return false; $data = trim( $data ); if ( 'N;' == $data ) return true; $length = strlen( $data ); if ( $length < 4 ) return false; if ( ':' !== $data[1] ) return false; if ( $strict ) { $lastc = $data[ $length - 1 ]; if ( ';' !== $lastc && '}' !== $lastc ) return false; } else { $semicolon = strpos( $data, ';' ); $brace = strpos( $data, '}' ); // Either ; or } must exist. if ( false === $semicolon && false === $brace ) return false; // But neither must be in the first X characters. if ( false !== $semicolon && $semicolon < 3 ) return false; if ( false !== $brace && $brace < 4 ) return false; } $token = $data[0]; switch ( $token ) { case 's' : if ( $strict ) { if ( '"' !== $data[ $length - 2 ] ) return false; } elseif ( false === strpos( $data, '"' ) ) { return false; } // or else fall through case 'a' : case 'O' : return (bool) preg_match( "/^{$token}:[0-9]+:/s", $data ); case 'b' : case 'i' : case 'd' : $end = $strict ? '$' : ''; return (bool) preg_match( "/^{$token}:[0-9.E-]+;$end/", $data ); } return false; } function maybe_serialize( $data ) { if ( is_array( $data ) || is_object( $data ) ) return serialize( $data ); // Double serialization is required for backward compatibility. // See http://core.trac.wordpress.org/ticket/12930 if ( is_serialized( $data, false ) ) return serialize( $data ); return $data; } $a = "\0s:4:\"ryat\";"; var_dump(unserialize($a));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0140.00316.63
8.3.50.0080.00821.20
8.3.40.0070.01418.85
8.3.30.0030.01018.91
8.3.20.0040.00420.20
8.3.10.0000.00822.14
8.3.00.0080.00022.39
8.2.180.0080.00816.63
8.2.170.0060.01222.96
8.2.160.0100.00319.08
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0030.00619.15
8.2.110.0000.00820.35
8.2.100.0040.00717.72
8.2.90.0020.00519.25
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0070.00417.80
8.2.50.0030.00518.07
8.2.40.0000.00718.22
8.2.30.0040.00418.09
8.2.20.0090.00017.50
8.2.10.0040.00417.71
8.2.00.0040.00417.75
8.1.280.0100.00725.92
8.1.270.0120.00322.01
8.1.260.0000.00726.35
8.1.250.0050.00228.09
8.1.240.0000.00921.75
8.1.230.0040.00820.97
8.1.220.0000.00717.76
8.1.210.0000.00818.77
8.1.200.0030.00717.22
8.1.190.0030.00517.40
8.1.180.0040.00418.61
8.1.170.0030.00618.55
8.1.160.0000.00722.06
8.1.150.0080.00018.58
8.1.140.0070.00017.32
8.1.130.0000.00717.89
8.1.120.0030.00317.38
8.1.110.0070.00017.33
8.1.100.0000.00717.30
8.1.90.0040.00417.30
8.1.80.0070.00017.43
8.1.70.0000.00717.31
8.1.60.0000.00917.54
8.1.50.0050.00217.41
8.1.40.0000.00817.49
8.1.30.0030.00517.54
8.1.20.0000.00817.53
8.1.10.0040.00417.41
8.1.00.0050.00317.40
8.0.300.0070.00018.77
8.0.290.0000.00717.05
8.0.280.0000.00718.46
8.0.270.0030.00317.13
8.0.260.0030.00316.81
8.0.250.0020.00517.00
8.0.240.0080.00016.91
8.0.230.0000.00717.03
8.0.220.0000.00716.79
8.0.210.0000.00716.80
8.0.200.0030.00316.92
8.0.190.0040.00416.96
8.0.180.0040.00416.90
8.0.170.0050.00316.95
8.0.160.0060.00316.93
8.0.150.0000.00716.82
8.0.140.0040.00416.82
8.0.130.0030.00313.38
8.0.120.0040.00416.79
8.0.110.0070.00016.93
8.0.100.0000.00816.95
8.0.90.0040.00316.81
8.0.80.0070.01016.97
8.0.70.0030.00616.89
8.0.60.0040.00416.73
8.0.50.0050.00316.96
8.0.30.0080.01016.85
8.0.20.0120.00617.40
8.0.10.0040.00417.07
8.0.00.0110.01016.66
7.4.330.0060.00015.00
7.4.320.0060.00316.59
7.4.300.0060.00016.40
7.4.290.0030.00316.43
7.4.280.0080.00016.35
7.4.270.0050.00316.46
7.4.260.0070.00016.45
7.4.250.0030.00316.42
7.4.240.0060.00216.40
7.4.230.0000.00716.45
7.4.220.0140.01016.48
7.4.210.0080.00816.50
7.4.200.0030.00316.26
7.4.190.0000.00716.37
7.4.160.0110.00616.21
7.4.150.0170.00717.40
7.4.140.0100.01217.86
7.4.130.0110.00616.48
7.4.120.0070.01016.46
7.4.110.0150.00316.38
7.4.100.0090.00916.45
7.4.90.0070.01116.37
7.4.80.0090.01219.39
7.4.70.0100.00716.56
7.4.60.0120.01216.49
7.4.50.0040.00416.30
7.4.40.0100.00722.77
7.4.30.0060.01016.43
7.4.00.0050.01114.79
7.3.330.0000.00613.15
7.3.320.0050.00013.10
7.3.310.0030.00316.16
7.3.300.0070.00016.25
7.3.290.0080.01316.28
7.3.280.0050.01016.30
7.3.270.0100.00717.40
7.3.260.0120.00616.29
7.3.250.0080.00816.34
7.3.240.0150.00916.35
7.3.230.0070.01116.39
7.3.210.0090.00916.44
7.3.200.0100.00719.39
7.3.190.0120.00916.33
7.3.180.0110.00516.27
7.3.170.0030.01316.36
7.3.160.0030.01216.31
7.3.120.0050.01115.00
7.3.110.0100.00814.76
7.3.100.0030.00814.78
7.3.90.0100.00314.84
7.3.80.0070.00614.87
7.3.70.0090.00714.70
7.3.60.0070.00914.65
7.3.50.0100.00514.85
7.3.40.0070.00714.57
7.3.30.0080.00514.66
7.3.20.0080.00416.52
7.3.10.0050.01016.60
7.3.00.0070.00616.31
7.2.330.0060.01216.66
7.2.320.0060.01216.20
7.2.310.0170.00616.49
7.2.300.0070.01016.54
7.2.290.0100.00616.32
7.2.250.0070.01314.91
7.2.240.0100.01015.07
7.2.230.0050.00814.80
7.2.220.0060.00614.97
7.2.210.0020.01214.89
7.2.200.0050.00914.96
7.2.190.0050.00914.89
7.2.180.0060.00814.86
7.2.170.0060.00514.82
7.2.00.0030.01019.21
7.1.330.0080.00615.64
7.1.320.0030.01015.73
7.1.310.0040.01315.77
7.1.300.0070.00415.68
7.1.290.0050.00715.81
7.1.280.0050.00515.52
7.1.270.0040.00815.59
7.1.260.0030.01015.61
7.1.100.0100.00317.84
7.1.70.0040.00416.89
7.1.60.0100.01419.82
7.1.50.0130.00716.98
7.1.00.0000.03722.57
7.0.200.0030.00716.73
7.0.140.0030.07321.98
7.0.100.0230.04719.98
7.0.90.0300.05019.96
7.0.80.0070.06720.03
7.0.70.0100.07019.94
7.0.60.0000.08719.91
7.0.50.0130.04320.33
7.0.40.0030.05019.95
7.0.30.0200.04020.02
7.0.20.0100.08320.15
7.0.10.0130.03720.07
7.0.00.0100.06720.07
5.6.280.0100.06721.14
5.6.250.0100.07320.65
5.6.240.0170.06320.68
5.6.230.0000.08320.65
5.6.220.0000.06720.66
5.6.210.0100.08320.62
5.6.200.0030.08021.02
5.6.190.0070.04021.02
5.6.180.0070.07321.13
5.6.170.0130.07721.10
5.6.160.0070.07021.12
5.6.150.0100.06020.97
5.6.140.0070.05021.05
5.6.130.0070.04320.95
5.6.120.0000.08721.06
5.6.110.0070.08021.17
5.6.100.0030.04321.19
5.6.90.0100.07721.03
5.6.80.0100.05020.45
5.6.70.0000.08020.40
5.6.60.0130.07320.27
5.6.50.0100.07020.42
5.6.40.0070.06320.33
5.6.30.0130.03720.45
5.6.20.0070.07720.45
5.6.10.0070.07720.49
5.6.00.0030.04320.40
5.5.380.0130.04320.46
5.5.370.0100.07720.37
5.5.360.0000.04320.43
5.5.350.0070.08320.44
5.5.340.0100.07320.89
5.5.330.0100.07720.67
5.5.320.0000.05720.94
5.5.310.0000.07020.79
5.5.300.0230.04320.91
5.5.290.0030.05720.95
5.5.280.0070.04320.90
5.5.270.0070.08020.93
5.5.260.0170.06720.92
5.5.250.0070.07720.70
5.5.240.0100.07320.16
5.5.230.0100.06320.13
5.5.220.0070.06020.31
5.5.210.0070.07320.19
5.5.200.0070.06720.23
5.5.190.0030.04720.10
5.5.180.0100.08320.09
5.5.160.0070.05020.14
5.5.150.0030.04720.14
5.5.140.0130.07020.14
5.5.130.0070.06020.22
5.5.120.0070.03720.01
5.5.110.0130.05320.14
5.5.100.0030.04320.20
5.5.90.0170.06320.06
5.5.80.0100.03720.13
5.5.70.0100.05720.13
5.5.60.0030.06019.98
5.5.50.0000.08720.10
5.5.40.0000.08320.09
5.5.30.0000.07320.07
5.5.20.0100.04020.16
5.5.10.0000.07020.05
5.5.00.0030.08020.10
5.4.450.0070.05019.36
5.4.440.0070.06719.37
5.4.430.0070.03719.55
5.4.420.0070.06319.36
5.4.410.0030.04319.36
5.4.400.0170.04719.09
5.4.390.0070.05019.04
5.4.380.0030.07019.21
5.4.370.0100.06019.13
5.4.360.0070.07319.03
5.4.350.0100.07319.13
5.4.340.0070.05319.21
5.4.320.0000.06319.02
5.4.310.0100.07319.13
5.4.300.0030.03719.03
5.4.290.0070.07019.16
5.4.280.0000.04319.12
5.4.270.0130.06018.90
5.4.260.0100.06319.20
5.4.250.0030.03718.91
5.4.240.0130.06718.94
5.4.230.0030.03719.03
5.4.220.0000.05719.17
5.4.210.0030.08019.12
5.4.200.0070.07719.06
5.4.190.0070.03318.86
5.4.180.0000.05319.17
5.4.170.0070.07319.11
5.4.160.0070.07018.83
5.4.150.0070.08019.16
5.4.140.0000.05316.45
5.4.130.0130.05316.38
5.4.120.0070.06316.50
5.4.110.0030.06316.45
5.4.100.0030.05316.48
5.4.90.0030.08016.32
5.4.80.0000.04716.53
5.4.70.0030.06716.48
5.4.60.0070.06316.37
5.4.50.0230.04716.45
5.4.40.0170.06716.52
5.4.30.0100.06716.36
5.4.20.0070.07316.46
5.4.10.0100.06016.30
5.4.00.0070.05015.86
5.3.290.0100.05314.61
5.3.280.0030.07714.54
5.3.270.0030.04014.66
5.3.260.0100.07014.69
5.3.250.0130.04014.72
5.3.240.0070.07014.63
5.3.230.0170.06314.65
5.3.220.0070.08014.57
5.3.210.0000.07014.66
5.3.200.0070.04014.60
5.3.190.0130.06314.56
5.3.180.0030.04314.73
5.3.170.0000.04714.65
5.3.160.0030.04314.59
5.3.150.0100.07314.73
5.3.140.0030.06714.59
5.3.130.0070.07714.69
5.3.120.0130.03714.63
5.3.110.0130.07314.50
5.3.100.0030.04314.04
5.3.90.0070.04013.97
5.3.80.0030.06714.18
5.3.70.0000.05014.16
5.3.60.0070.07314.05
5.3.50.0130.07014.05
5.3.40.0130.06314.07
5.3.30.0030.06313.98
5.3.20.0070.04013.70
5.3.10.0030.04713.68
5.3.00.0000.08313.60
5.2.170.0070.06012.37
5.2.160.0030.04312.37
5.2.150.0100.06012.37
5.2.140.0000.03312.37
5.2.130.0000.03312.37
5.2.120.0030.04712.37
5.2.110.0070.03012.37
5.2.100.0100.04012.37
5.2.90.0070.05712.37
5.2.80.0030.03312.37
5.2.70.0070.06012.37
5.2.60.0130.05712.37
5.2.50.0100.05312.37
5.2.40.0070.03312.37
5.2.30.0100.05712.37
5.2.20.0000.04712.37
5.2.10.0070.05712.37
5.2.00.0070.05712.37
5.1.60.0070.04312.37
5.1.50.0030.05012.37
5.1.40.0000.04312.37
5.1.30.0100.04712.37
5.1.20.0130.04712.37
5.1.10.0030.05012.37
5.1.00.0030.02712.37
5.0.50.0030.03312.37
5.0.40.0030.02712.37
5.0.30.0000.07312.37
5.0.20.0070.01712.37
5.0.10.0000.04312.37
5.0.00.0000.03712.37
4.4.90.0070.02712.37
4.4.80.0100.03012.37
4.4.70.0030.02712.37
4.4.60.0030.01712.37
4.4.50.0030.03712.37
4.4.40.0030.05312.37
4.4.30.0030.03312.37
4.4.20.0070.03712.37
4.4.10.0030.01712.37
4.4.00.0030.02712.37
4.3.110.0030.01712.37
4.3.100.0070.01012.37
4.3.90.0030.03012.37
4.3.80.0000.05312.37
4.3.70.0000.03712.37
4.3.60.0000.03012.37
4.3.50.0000.02312.37
4.3.40.0030.05012.37
4.3.30.0030.03712.37
4.3.20.0030.03012.37
4.3.10.0000.03712.37
4.3.00.0030.03712.37

preferences:
41.52 ms | 400 KiB | 5 Q