3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo phpversion(); $str = '{ "key": "Hi!" }invalid'; $data = json_decode($str, true); if (JSON_ERROR_NONE === json_last_error()) { echo 'Invalid!'; } else { echo 'Valid'; }

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)
7.4.10.0080.00814.88
7.4.00.0060.01114.79
7.3.130.0070.01014.62
7.3.120.0030.01214.71
7.3.110.0060.01214.65
7.3.100.0090.00614.56
7.3.90.0050.00914.71
7.3.80.0030.00914.62
7.3.70.0070.00714.71
7.3.60.0020.00914.64
7.3.50.0020.01114.63
7.3.40.0050.00614.59
7.3.30.0070.00714.56
7.3.20.0060.01016.50
7.3.10.0020.01116.49
7.3.00.0070.00816.61
7.2.260.0060.01115.00
7.2.250.0070.01115.06
7.2.240.0060.00614.87
7.2.230.0070.00814.78
7.2.220.0040.01114.82
7.2.210.0060.00815.12
7.2.200.0050.00914.89
7.2.190.0090.00514.89
7.2.180.0030.01214.87
7.2.170.0030.00814.95
7.2.160.0060.00815.04
7.2.150.0090.00416.58
7.2.140.0020.01116.61
7.2.130.0070.00916.51
7.2.120.0050.00816.86
7.2.110.0050.01116.78
7.2.100.0060.00716.60
7.2.90.0020.01116.86
7.2.80.0060.00916.90
7.2.70.0070.00716.68
7.2.60.0060.00616.86
7.2.50.0050.00816.81
7.2.40.0110.00316.73
7.2.30.0060.00416.86
7.2.20.0080.00616.89
7.2.10.0050.01016.74
7.2.00.0030.01017.79
7.1.330.0080.00415.48
7.1.320.0070.00715.67
7.1.310.0020.01115.43
7.1.300.0050.00815.57
7.1.290.0080.00715.60
7.1.280.0050.00915.52
7.1.270.0060.00815.66
7.1.260.0050.00515.66
7.1.250.0040.01315.47
7.1.240.0030.00915.81
7.1.230.0040.00915.43
7.1.220.0080.00315.63
7.1.210.0040.00915.76
7.1.200.0050.00915.57
7.1.190.0040.00615.57
7.1.180.0020.01215.52
7.1.170.0050.00815.57
7.1.160.0050.00515.50
7.1.150.0060.00615.71
7.1.140.0060.00615.67
7.1.130.0070.00715.58
7.1.120.0040.00715.67
7.1.110.0050.00915.83
7.1.100.0070.00816.47
7.1.90.0060.00915.76
7.1.80.0020.01415.62
7.1.70.0020.00715.94
7.1.60.0060.00816.90
7.1.50.0020.01016.04
7.1.40.0030.00815.73
7.1.30.0030.00915.39
7.1.20.0060.00815.48
7.1.10.0060.00615.66
7.1.00.0060.02317.88
7.0.330.0070.00515.16
7.0.320.0070.00515.18
7.0.310.0050.01015.38
7.0.300.0100.00515.10
7.0.290.0020.01215.23
7.0.280.0080.00515.29
7.0.270.0060.00615.07
7.0.260.0000.01215.24
7.0.250.0050.00815.32
7.0.240.0050.00815.40
7.0.230.0030.00915.24
7.0.220.0050.00915.40
7.0.210.0020.00915.16
7.0.200.0060.00515.86
7.0.190.0060.00615.10
7.0.180.0050.00815.27
7.0.170.0050.00815.26
7.0.160.0040.00815.37
7.0.150.0030.01215.47
7.0.140.0070.02917.44
7.0.130.0050.00815.37
7.0.120.0040.00715.11
7.0.110.0060.01015.06
7.0.100.0030.00815.08
7.0.90.0080.02016.88
7.0.80.0070.02116.85
7.0.70.0040.02216.67
7.0.60.0070.02116.83
7.0.50.0080.02917.05
7.0.40.0090.02115.50
7.0.30.0130.02615.56
7.0.20.0080.02315.66
7.0.10.0090.03215.54
7.0.00.0040.03615.49
5.6.400.0110.00514.23
5.6.390.0040.00714.43
5.6.380.0060.00514.47
5.6.370.0030.01113.90
5.6.360.0060.00614.39
5.6.350.0080.00314.13
5.6.340.0050.00614.04
5.6.330.0060.00514.22
5.6.320.0070.00814.16
5.6.310.0050.00514.16
5.6.300.0090.00514.15
5.6.290.0080.00314.45
5.6.280.0070.02816.33
5.6.270.0030.01214.02
5.6.260.0050.00814.12
5.6.250.0050.00714.05
5.6.240.0050.00913.99
5.6.230.0050.02516.29
5.6.220.0050.03316.25
5.6.210.0040.01816.19
5.6.200.0070.01716.53
5.6.190.0060.03516.47
5.6.180.0080.03216.53
5.6.170.0080.03216.35
5.6.160.0090.02516.50
5.6.150.0060.02116.56
5.6.140.0050.02716.54
5.6.130.0030.02816.47
5.6.120.0070.03416.35
5.6.110.0060.02716.35
5.6.100.0070.01916.46
5.6.90.0070.02116.41
5.6.80.0080.02716.25
5.6.70.0080.01516.16
5.6.60.0060.01716.03
5.6.50.0070.01816.32
5.6.40.0030.02216.07
5.6.30.0010.02616.26
5.6.20.0040.01816.22
5.6.10.0060.01816.15
5.6.00.0050.01516.14
5.5.380.0080.00514.12
5.5.370.0090.01916.15
5.5.360.0060.02516.19
5.5.350.0090.01816.24
5.5.340.0020.03116.38
5.5.330.0070.03216.46
5.5.320.0090.02216.47
5.5.310.0090.03216.28
5.5.300.0070.03116.25
5.5.290.0060.02516.48
5.5.280.0100.03016.43
5.5.270.0030.02216.42
5.5.260.0050.02016.44
5.5.250.0060.02316.32
5.5.240.0070.01916.10
5.5.230.0050.01616.21
5.5.220.0050.02016.11
5.5.210.0030.02115.97
5.5.200.0040.02016.06
5.5.190.0060.01516.13
5.5.180.0040.02016.16
5.5.170.0070.00714.02
5.5.160.0080.01616.13
5.5.150.0050.02016.25
5.5.140.0060.03016.19
5.5.130.0010.02616.02
5.5.120.0040.02316.20
5.5.110.0080.02416.26
5.5.100.0050.01716.14
5.5.90.0060.02016.09
5.5.80.0040.01916.18
5.5.70.0010.01716.08
5.5.60.0020.01816.04
5.5.50.0040.01815.96
5.5.40.0070.01616.24
5.5.30.0040.01515.95
5.5.20.0040.01916.02
5.5.10.0010.02516.18
5.5.00.0030.01715.95
5.4.450.0130.06719.29
5.4.440.0130.07319.42
5.4.430.0070.04019.13
5.4.420.0000.05319.46
5.4.410.0000.04319.23
5.4.400.0070.06718.82
5.4.390.0070.03319.07
5.4.380.0000.04319.03
5.4.370.0030.03719.12
5.4.360.0070.04019.14
5.4.350.0000.04319.14
5.4.340.0070.03319.06
5.4.320.0030.07719.03
5.4.310.0030.07719.11
5.4.300.0030.04718.96
5.4.290.0100.03318.98
5.4.280.0070.07719.22
5.4.270.0100.07019.14
5.4.260.0030.04319.15
5.4.250.0030.04019.11
5.4.240.0130.06018.96
5.4.230.0070.03719.06
5.4.220.0100.03019.11
5.4.210.0100.03018.95
5.4.200.0130.02718.97
5.4.190.0000.04718.93
5.4.180.0000.04019.04
5.4.170.0070.05019.02
5.4.160.0030.03019.12
5.4.150.0030.06019.10
5.4.140.0100.06016.28
5.4.130.0030.03016.32
5.4.120.0000.03316.36
5.4.110.0070.05716.38
5.4.100.0000.03716.33
5.4.90.0070.06316.35
5.4.80.0030.05016.36
5.4.70.0030.03316.24
5.4.60.0030.05316.19
5.4.50.0030.03316.28
5.4.40.0000.03716.43
5.4.30.0030.03316.27
5.4.20.0030.03716.32
5.4.10.0100.06316.30
5.4.00.0030.03315.80
5.3.290.0070.03714.62
5.3.280.0070.03314.46
5.3.270.0030.04714.58
5.3.260.0030.03714.59
5.3.250.0100.02714.59
5.3.240.0100.02314.59
5.3.230.0000.04014.46
5.3.220.0000.07014.54
5.3.210.0100.03014.53
5.3.200.0030.03714.48
5.3.190.0130.05714.55
5.3.180.0000.04714.55
5.3.170.0030.03714.42
5.3.160.0030.04014.43
5.3.150.0070.06714.56
5.3.140.0030.04714.39
5.3.130.0100.03714.40
5.3.120.0070.03314.51
5.3.110.0030.04314.37
5.3.100.0070.03713.98
5.3.90.0030.04313.84
5.3.80.0030.04013.88
5.3.70.0070.05314.00
5.3.60.0030.07713.91
5.3.50.0070.07013.94
5.3.40.0100.06713.88
5.3.30.0070.07313.85
5.3.20.0000.05013.68
5.3.10.0030.05313.59
5.3.00.0070.07013.60
5.2.170.0070.06013.55
5.2.160.0070.06313.55
5.2.150.0070.04013.55
5.2.140.0100.04013.55
5.2.130.0000.04713.55
5.2.120.0070.04313.55
5.2.110.0000.03713.55
5.2.100.0170.03713.55
5.2.90.0070.04713.55
5.2.80.0030.03313.55
5.2.70.0070.03313.55
5.2.60.0100.03713.55
5.2.50.0030.05313.55
5.2.40.0000.04013.55
5.2.30.0100.04313.55
5.2.20.0130.05313.56
5.2.10.0100.04013.59
5.2.00.0130.04313.60
5.1.60.0000.03013.60
5.1.50.0000.03313.60
5.1.40.0070.04313.60
5.1.30.0100.03713.60
5.1.20.0100.05013.60
5.1.10.0100.04313.60
5.1.00.0030.04713.60
5.0.50.0030.05313.60
5.0.40.0030.03013.60
5.0.30.0070.06013.60
5.0.20.0000.03313.60
5.0.10.0070.03313.60
5.0.00.0000.06713.60
4.4.90.0000.02313.55
4.4.80.0000.02713.55
4.4.70.0030.03013.57
4.4.60.0030.04013.59
4.4.50.0030.03013.59
4.4.40.0000.06013.60
4.4.30.0000.01713.60
4.4.20.0030.03313.60
4.4.10.0000.04013.60
4.4.00.0000.04713.60
4.3.110.0100.03013.60
4.3.100.0000.03713.60
4.3.90.0030.03313.60
4.3.80.0000.03013.60
4.3.70.0000.01713.60
4.3.60.0030.03013.60
4.3.50.0000.03713.60
4.3.40.0070.03313.60
4.3.30.0030.02313.60
4.3.20.0000.04013.60
4.3.10.0000.03013.60
4.3.00.0000.02713.60

preferences:
36.41 ms | 401 KiB | 5 Q