3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo phpversion(); echo "<br />"; $j = json_encode(array('tja'=>'ba')); $fishy = $j.'ff'; var_dump($fishy); $jtest = @json_decode($fishy, true); if($jtest !== null && is_array($jtest)){ var_dump('true'); pr($jtest); }else{ var_dump('false'); } die;

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)
7.4.00.0080.01014.89
7.3.120.0060.01114.89
7.3.110.0070.00914.77
7.3.100.0070.01314.83
7.3.90.0080.00514.84
7.3.80.0080.00514.88
7.3.70.0040.01414.75
7.3.60.0020.01014.82
7.3.50.0050.00814.85
7.3.40.0080.00514.82
7.3.30.0050.00714.88
7.3.20.0020.01316.79
7.3.10.0100.00516.58
7.3.00.0080.00916.65
7.2.250.0070.00914.88
7.2.240.0090.01014.91
7.2.230.0080.00515.07
7.2.220.0090.00614.85
7.2.210.0050.01015.18
7.2.200.0050.01115.19
7.2.190.0050.00515.14
7.2.180.0070.00914.83
7.2.170.0050.00914.99
7.2.160.0050.00814.97
7.2.150.0090.00716.85
7.2.140.0090.00416.78
7.2.130.0050.01016.79
7.2.120.0100.00316.92
7.2.110.0070.00616.94
7.2.100.0050.00916.86
7.2.90.0030.01016.76
7.2.80.0100.00517.04
7.2.70.0020.01516.93
7.2.60.0070.00916.88
7.2.50.0070.01016.89
7.2.40.0070.00716.95
7.2.30.0100.00716.95
7.2.20.0020.01116.88
7.2.10.0050.00717.04
7.2.00.0060.00917.82
7.1.330.0070.01015.55
7.1.320.0080.00815.98
7.1.310.0030.01415.85
7.1.300.0060.00915.88
7.1.290.0080.00715.68
7.1.280.0060.00615.75
7.1.270.0060.00615.61
7.1.260.0040.01115.82
7.1.250.0020.01215.58
7.1.240.0060.00415.75
7.1.230.0090.00415.80
7.1.220.0020.01215.80
7.1.210.0050.00415.80
7.1.200.0050.01115.96
7.1.190.0140.00215.88
7.1.180.0090.00515.63
7.1.170.0030.00815.80
7.1.160.0080.00315.67
7.1.150.0020.01215.57
7.1.140.0040.01115.83
7.1.130.0090.00615.91
7.1.120.0030.01015.82
7.1.110.0060.00515.74
7.1.100.0040.00716.35
7.1.90.0070.00815.51
7.1.80.0050.00815.84
7.1.70.0020.00816.31
7.1.60.0070.01216.99
7.1.50.0060.01116.32
7.1.40.0050.00815.78
7.1.30.0060.00815.69
7.1.20.0070.00815.59
7.1.10.0050.01015.57
7.1.00.0020.03217.84
7.0.330.0100.00215.51
7.0.320.0070.00915.36
7.0.310.0050.00815.38
7.0.300.0030.00815.32
7.0.290.0060.00915.26
7.0.280.0020.01015.18
7.0.270.0000.01015.38
7.0.260.0040.00815.46
7.0.250.0020.01115.42
7.0.240.0030.00915.33
7.0.230.0070.00815.52
7.0.220.0060.00415.45
7.0.210.0030.00815.38
7.0.200.0070.00415.79
7.0.190.0030.01015.44
7.0.180.0010.01015.39
7.0.170.0050.00715.43
7.0.160.0020.01015.31
7.0.150.0070.00815.17
7.0.140.0050.02817.61
7.0.130.0070.00615.38
7.0.120.0060.00915.21
7.0.110.0080.00215.46
7.0.100.0080.00615.42
7.0.90.0040.03216.86
7.0.80.0190.01916.77
7.0.70.0240.01416.75
7.0.60.0170.03116.89
7.0.50.0130.03517.13
7.0.40.0060.01915.60
7.0.30.0060.02115.79
7.0.20.0080.01815.75
7.0.10.0030.02115.63
7.0.00.0020.02415.63
5.6.400.0020.01114.33
5.6.390.0030.00814.45
5.6.380.0080.00714.44
5.6.370.0070.00914.33
5.6.360.0070.00714.24
5.6.350.0090.00514.10
5.6.340.0070.00914.47
5.6.330.0050.01114.60
5.6.320.0050.00714.12
5.6.310.0080.00814.45
5.6.300.0080.00714.51
5.6.290.0040.00614.35
5.6.280.0060.02916.52
5.6.270.0020.01114.46
5.6.260.0060.00814.19
5.6.250.0060.00614.39
5.6.240.0090.02516.33
5.6.230.0050.03316.38
5.6.220.0070.02416.39
5.6.210.0060.02916.40
5.6.200.0060.03316.57
5.6.190.0100.02816.42
5.6.180.0050.01816.59
5.6.170.0080.02316.61
5.6.160.0040.02116.52
5.6.150.0070.01916.52
5.6.140.0060.02016.47
5.6.130.0040.02116.61
5.6.120.0030.03216.56
5.6.110.0080.01816.51
5.6.100.0010.02316.51
5.6.90.0080.01716.60
5.6.80.0060.01816.32
5.6.70.0060.01916.40
5.6.60.0100.02816.39
5.6.50.0080.01816.30
5.6.40.0110.02416.29
5.6.30.0050.01716.35
5.6.20.0070.02816.32
5.6.10.0050.02316.30
5.6.00.0030.02016.36
5.5.380.0030.03016.31
5.5.370.0040.02116.33
5.5.360.0060.01716.12
5.5.350.0010.03116.37
5.5.340.0050.03116.43
5.5.330.0050.02916.41
5.5.320.0040.02016.53
5.5.310.0090.01516.49
5.5.300.0040.02016.52
5.5.290.0040.02216.59
5.5.280.0060.03116.60
5.5.270.0040.02416.36
5.5.260.0070.01816.47
5.5.250.0080.02316.28
5.5.240.0040.02116.05
5.5.230.0070.01916.36
5.5.220.0070.01716.27
5.5.210.0070.01616.19
5.5.200.0050.01716.19
5.5.190.0050.01816.24
5.5.180.0040.01816.13
5.5.170.0050.01214.21
5.5.160.0060.02016.26
5.5.150.0010.02016.25
5.5.140.0050.01716.20
5.5.130.0040.02016.25
5.5.120.0070.01716.28
5.5.110.0080.01516.17
5.5.100.0070.01716.06
5.5.90.0080.01616.19
5.5.80.0090.01516.23
5.5.70.0060.01616.29
5.5.60.0060.02316.09
5.5.50.0090.02816.19
5.5.40.0060.02916.22
5.5.30.0020.03716.05
5.5.20.0040.02516.28
5.5.10.0060.03016.03
5.5.00.0090.02316.18
5.4.450.0030.01913.73
5.4.440.0050.01713.72
5.4.430.0040.01813.83
5.4.420.0040.01713.89
5.4.410.0030.02513.71
5.4.400.0060.01513.57
5.4.390.0030.01913.59
5.4.380.0050.01413.72
5.4.370.0090.02313.63
5.4.360.0050.02513.60
5.4.350.0050.01313.64
5.4.340.0070.01513.73
5.4.330.0100.00011.06
5.4.320.0020.02013.62
5.4.310.0050.01613.53
5.4.300.0040.01713.72
5.4.290.0040.01613.58
5.4.280.0050.01613.54
5.4.270.0020.01913.64
5.4.260.0020.01713.71
5.4.250.0030.01613.67
5.4.240.0050.02613.72
5.4.230.0010.02013.69
5.4.220.0030.01613.65
5.4.210.0070.02613.62
5.4.200.0030.02413.57
5.4.190.0040.03013.56
5.4.180.0010.03213.62
5.4.170.0030.02913.50
5.4.160.0070.01813.64
5.4.150.0040.02713.49
5.4.140.0080.02612.80
5.4.130.0060.02812.64
5.4.120.0050.02612.61
5.4.110.0060.02312.73
5.4.100.0050.01512.88
5.4.90.0090.01812.65
5.4.80.0110.01112.79
5.4.70.0070.02612.75
5.4.60.0030.02112.75
5.4.50.0050.02512.83
5.4.40.0020.01712.68
5.4.30.0050.01712.67
5.4.20.0050.02712.70
5.4.10.0040.02712.75
5.4.00.0060.02712.56
5.3.290.0030.03714.67
5.3.280.0030.03714.50
5.3.270.0100.07714.47
5.3.260.0030.08314.60
5.3.250.0070.07314.59
5.3.240.0000.06014.59
5.3.230.0070.07714.61
5.3.220.0130.06014.48
5.3.210.0000.08314.56
5.3.200.0130.05014.48
5.3.190.0070.07314.55
5.3.180.0030.04314.52
5.3.170.0070.07014.53
5.3.160.0070.04314.39
5.3.150.0000.04714.38
5.3.140.0130.06014.42
5.3.130.0100.06314.40
5.3.120.0000.05014.54
5.3.110.0100.07314.55
5.3.100.0170.06713.86
5.3.90.0100.07314.00
5.3.80.0070.04313.99
5.3.70.0030.08314.00
5.3.60.0070.06713.96
5.3.50.0070.07013.90
5.3.40.0030.06713.88
5.3.30.0070.04713.87
5.3.20.0070.06013.55
5.3.10.0100.06313.60
5.3.00.0100.06313.64
5.2.170.0000.03711.13
5.2.160.0030.06011.06
5.2.150.0070.05711.06
5.2.140.0030.04711.13
5.2.130.0070.05310.98
5.2.120.0030.03311.17
5.2.110.0100.05711.08
5.2.100.0000.04310.93
5.2.90.0030.06311.17
5.2.80.0030.04011.14
5.2.70.0030.04011.13
5.2.60.0030.06310.90
5.2.50.0030.05711.00
5.2.40.0030.04011.06
5.2.30.0030.06010.96
5.2.20.0070.04010.95
5.2.10.0000.06010.91
5.2.00.0100.05310.61
5.1.60.0100.0439.97
5.1.50.0070.0509.98
5.1.40.0070.0309.96
5.1.30.0070.04310.39
5.1.20.0030.05710.40
5.1.10.0030.0579.91
5.1.00.0030.05310.11
5.0.50.0030.0338.59
5.0.40.0000.0338.45
5.0.30.0070.0608.20
5.0.20.0030.0338.25
5.0.10.0030.0308.26
5.0.00.0100.0508.26
4.4.90.0000.0276.91
4.4.80.0030.0276.91
4.4.70.0000.0376.91
4.4.60.0030.0276.91
4.4.50.0000.0376.91
4.4.40.0000.0336.91
4.4.30.0000.0236.91
4.4.20.0030.0376.91
4.4.10.0000.0336.91
4.4.00.0030.0536.91
4.3.110.0030.0376.91
4.3.100.0000.0276.91
4.3.90.0030.0376.91
4.3.80.0030.0406.91
4.3.70.0000.0306.91
4.3.60.0070.0276.91
4.3.50.0000.0236.91
4.3.40.0070.0506.91
4.3.30.0000.0376.91
4.3.20.0070.0136.91
4.3.10.0000.0306.91
4.3.00.0000.0176.91

preferences:
37.02 ms | 401 KiB | 5 Q