3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = []; $a[0] = 2; $a[1] = 2; echo json_encode($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)
8.3.60.0070.00718.18
8.3.50.0120.00521.91
8.3.40.0070.00718.55
8.3.30.0000.01419.06
8.3.20.0040.00420.20
8.3.10.0000.00823.61
8.3.00.0080.00020.91
8.2.180.0090.00625.92
8.2.170.0040.01122.96
8.2.160.0070.00720.47
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0140.00326.16
8.2.120.0090.00920.82
8.2.110.0000.00922.25
8.2.100.0090.00319.16
8.2.90.0100.00017.63
8.2.80.0050.00319.13
8.2.70.0040.00417.80
8.2.60.0030.00617.93
8.2.50.0000.00818.10
8.2.40.0040.00422.07
8.2.30.0030.00318.18
8.2.20.0000.00817.78
8.2.10.0040.00417.93
8.2.00.0040.00417.73
8.1.280.0060.00825.92
8.1.270.0000.00923.77
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0050.00522.52
8.1.230.0060.00919.16
8.1.220.0060.00317.88
8.1.210.0040.00418.77
8.1.200.0000.00817.35
8.1.190.0080.00017.38
8.1.180.0050.00318.10
8.1.170.0040.00418.56
8.1.160.0070.00321.85
8.1.150.0040.00418.48
8.1.140.0040.00417.43
8.1.130.0050.00217.83
8.1.120.0070.00017.34
8.1.110.0000.00817.26
8.1.100.0040.00417.30
8.1.90.0070.00017.40
8.1.80.0000.00717.32
8.1.70.0070.00017.37
8.1.60.0000.00817.40
8.1.50.0050.00217.49
8.1.40.0050.00217.34
8.1.30.0050.00317.49
8.1.20.0040.00417.48
8.1.10.0070.00017.48
8.1.00.0000.00717.54
8.0.300.0040.00419.60
8.0.290.0090.00016.63
8.0.280.0050.00318.49
8.0.270.0070.00017.17
8.0.260.0030.00317.36
8.0.250.0030.00316.99
8.0.240.0030.00316.87
8.0.230.0000.00716.86
8.0.220.0070.00016.79
8.0.210.0070.00016.87
8.0.200.0000.00616.73
8.0.190.0000.00816.84
8.0.180.0000.00716.87
8.0.170.0080.00016.73
8.0.160.0040.00416.77
8.0.150.0080.00416.81
8.0.140.0040.00416.70
8.0.130.0040.00413.16
8.0.120.0040.00416.80
8.0.110.0040.00416.88
8.0.100.0000.00716.86
8.0.90.0030.00516.66
8.0.80.0060.00916.73
8.0.70.0050.00316.81
8.0.60.0030.00316.81
8.0.50.0040.00416.64
8.0.30.0150.00317.11
8.0.20.0060.01217.40
8.0.10.0000.00817.04
8.0.00.0080.01116.59
7.4.330.0000.00615.00
7.4.320.0040.00416.48
7.4.300.0030.00316.48
7.4.290.0000.00716.48
7.4.280.0030.00316.46
7.4.270.0000.00716.43
7.4.260.0100.00016.51
7.4.250.0000.00816.41
7.4.240.0020.00516.47
7.4.230.0040.00416.47
7.4.220.0100.01316.61
7.4.210.0090.00616.54
7.4.200.0030.00316.63
7.4.160.0130.00316.40
7.4.150.0130.01317.40
7.4.140.0120.00517.86
7.4.130.0100.00616.45
7.4.120.0050.01216.55
7.4.110.0110.00716.60
7.4.100.0120.00916.25
7.4.90.0100.00716.51
7.4.80.0180.00619.39
7.4.70.0070.01116.46
7.4.60.0110.00716.48
7.4.50.0030.00316.42
7.4.40.0040.01216.51
7.4.30.0120.00416.29
7.4.10.0040.01314.95
7.4.00.0040.01214.84
7.3.330.0060.00013.18
7.3.320.0000.00613.03
7.3.310.0030.00316.26
7.3.300.0000.00716.11
7.3.290.0070.00716.25
7.3.280.0060.01216.17
7.3.270.0100.00717.40
7.3.260.0090.00916.63
7.3.250.0080.00916.36
7.3.240.0120.00916.30
7.3.230.0030.01416.39
7.3.210.0100.00616.29
7.3.200.0130.00319.39
7.3.190.0070.01316.22
7.3.180.0030.01316.33
7.3.170.0100.00616.27
7.3.160.0040.01316.39
7.3.130.0070.01214.67
7.3.120.0070.01114.58
7.3.110.0060.01014.92
7.3.100.0120.00314.55
7.3.90.0050.01114.64
7.3.80.0090.00714.75
7.3.70.0050.00814.74
7.3.60.0070.00614.62
7.3.50.0080.00514.62
7.3.40.0040.01014.73
7.3.30.0050.00914.55
7.3.20.0060.00716.58
7.3.10.0080.00716.53
7.3.00.0060.00716.48
7.2.330.0030.01416.70
7.2.320.0090.00616.22
7.2.310.0070.01416.48
7.2.300.0090.00616.61
7.2.290.0140.00416.57
7.2.260.0050.01414.87
7.2.250.0040.01214.93
7.2.240.0050.01014.83
7.2.230.0100.00515.00
7.2.220.0030.01215.02
7.2.210.0090.00714.80
7.2.200.0070.00714.91
7.2.190.0070.00714.74
7.2.180.0050.00814.76
7.2.170.0060.00814.78
7.2.160.0050.00714.88
7.2.150.0060.00916.76
7.2.140.0060.00716.68
7.2.130.0040.01016.78
7.2.120.0050.00916.80
7.2.110.0060.00816.76
7.2.100.0090.00416.74
7.2.90.0060.00916.73
7.2.80.0070.00816.70
7.2.70.0040.00816.75
7.2.60.0060.01016.82
7.2.50.0070.00616.78
7.2.40.0080.00516.68
7.2.30.0070.00616.70
7.2.20.0050.00816.84
7.2.10.0070.00816.69
7.2.00.0070.00617.13
7.1.330.0090.00615.73
7.1.320.0060.00915.78
7.1.310.0060.00815.78
7.1.300.0060.00615.66
7.1.290.0050.00815.68
7.1.280.0090.00315.84
7.1.270.0070.00415.61
7.1.260.0050.00715.74
7.1.250.0060.00615.75
7.1.240.0070.00715.75
7.1.230.0030.00915.74
7.1.220.0030.00915.78
7.1.210.0070.00815.65
7.1.200.0100.00415.57
7.1.190.0070.00715.71
7.1.180.0110.00515.58
7.1.170.0060.00715.78
7.1.160.0040.01015.56
7.1.150.0080.00515.72
7.1.140.0050.00715.75
7.1.130.0080.00615.65
7.1.120.0090.00815.58
7.1.110.0090.00815.69
7.1.100.0060.00916.34
7.1.90.0110.00515.72
7.1.80.0170.00315.83
7.1.70.0060.01016.06
7.1.60.0090.01216.66
7.1.50.0120.00616.07
7.1.40.0080.00815.69
7.1.30.0120.00415.70
7.1.20.0100.00515.43
7.1.10.0090.00715.71
7.1.00.0110.02317.45
7.0.330.0070.00615.47
7.0.320.0030.01215.47
7.0.310.0060.00715.33
7.0.300.0040.00815.26
7.0.290.0020.01015.24
7.0.280.0050.00715.25
7.0.270.0060.00815.24
7.0.260.0070.00815.28
7.0.250.0090.00515.38
7.0.240.0060.00715.36
7.0.230.0100.00515.44
7.0.220.0080.00715.38
7.0.210.0040.01015.34
7.0.200.0080.00515.61
7.0.190.0090.00315.32
7.0.180.0100.00515.17
7.0.170.0060.00715.38
7.0.160.0080.00715.25
7.0.150.0090.00415.33
7.0.140.0060.02316.99
7.0.130.0080.00715.35
7.0.120.0090.00315.38
7.0.110.0050.00915.44
7.0.100.0090.00515.40
7.0.90.0160.02016.42
7.0.80.0140.01816.55
7.0.70.0130.02316.42
7.0.60.0120.02416.56
7.0.50.0210.03416.64
7.0.40.0030.01915.08
7.0.30.0050.01414.97
7.0.20.0070.01515.07
7.0.10.0050.02115.06
7.0.00.0060.02415.11
5.6.400.0080.00514.47
5.6.390.0060.00914.25
5.6.380.0070.00514.10
5.6.370.0070.00414.12
5.6.360.0070.00514.25
5.6.350.0040.00714.39
5.6.340.0060.00714.62
5.6.330.0100.00214.35
5.6.320.0090.00914.37
5.6.310.0050.01314.33
5.6.300.0070.00814.13
5.6.290.0070.00514.50
5.6.280.0100.02015.92
5.6.270.0050.01114.42
5.6.260.0070.00714.06
5.6.250.0070.00414.35
5.6.240.0050.02815.83
5.6.230.0070.02515.80
5.6.220.0060.02315.84
5.6.210.0050.01715.85
5.6.200.0080.02416.12
5.6.190.0060.02415.92
5.6.180.0030.01715.92
5.6.170.0050.02416.06
5.6.160.0110.01815.81
5.6.150.0040.01815.98
5.6.140.0080.02216.11
5.6.130.0070.02015.96
5.6.120.0120.02115.88
5.6.110.0060.02716.11
5.6.100.0070.02315.96
5.6.90.0030.01815.98
5.6.80.0040.01615.75
5.6.70.0060.01515.86
5.6.60.0040.01415.85
5.6.50.0030.01615.81
5.6.40.0060.01315.75
5.6.30.0060.01215.83
5.6.20.0040.02015.76
5.6.10.0090.01215.75
5.6.00.0050.01515.70
5.5.380.0060.02215.10
5.5.370.0070.02515.02
5.5.360.0070.01814.98
5.5.350.0080.02515.01
5.5.340.0060.02415.06
5.5.330.0080.01915.10
5.5.320.0060.01414.96
5.5.310.0040.01914.99
5.5.300.0050.01615.06
5.5.290.0050.02115.03
5.5.280.0060.01415.10
5.5.270.0060.02215.14
5.5.260.0080.01915.23
5.5.250.0090.01215.00
5.5.240.0070.01114.92
5.5.230.0050.01214.91
5.5.220.0070.00914.95
5.5.210.0040.01614.85
5.5.200.0070.01114.94
5.5.190.0060.01314.82
5.5.180.0020.01614.84
5.5.170.0030.01113.14
5.5.160.0080.02014.98
5.5.150.0040.02514.82
5.5.140.0060.01614.99
5.5.130.0080.01314.94
5.5.120.0080.01214.95
5.5.110.0060.01614.81
5.5.100.0060.01314.73
5.5.90.0050.01414.87
5.5.80.0040.01514.73
5.5.70.0030.01814.74
5.5.60.0030.01714.79
5.5.50.0080.01214.81
5.5.40.0050.01514.89
5.5.30.0070.01214.82
5.5.20.0040.01514.90
5.5.10.0040.01414.86
5.5.00.0040.01514.80
5.4.450.0090.02013.21
5.4.440.0060.02313.14
5.4.430.0040.01613.05
5.4.420.0080.00913.10
5.4.410.0040.01413.09
5.4.400.0060.01613.10
5.4.390.0050.01313.02
5.4.380.0040.01113.06
5.4.370.0070.01213.08
5.4.360.0020.01112.94
5.4.350.0040.01113.08
5.4.340.0030.01513.03
5.4.330.0040.00511.14
5.4.320.0060.02113.03
5.4.310.0060.01213.17
5.4.300.0040.01213.11
5.4.290.0050.01313.07
5.4.280.0060.01213.08
5.4.270.0040.01413.09
5.4.260.0060.01113.02
5.4.250.0030.01413.07
5.4.240.0040.01313.01
5.4.230.0050.01213.07
5.4.220.0030.01412.98
5.4.210.0030.01413.11
5.4.200.0070.00813.03
5.4.190.0050.01213.04
5.4.180.0030.01413.09
5.4.170.0050.01112.93
5.4.160.0060.01213.02
5.4.150.0030.01313.07
5.4.140.0040.01512.36
5.4.130.0040.01112.50
5.4.120.0060.01212.53
5.4.110.0080.00912.44
5.4.100.0060.00712.40
5.4.90.0060.01212.49
5.4.80.0070.01012.45
5.4.70.0060.01012.38
5.4.60.0030.01212.38
5.4.50.0050.01112.32
5.4.40.0060.01112.22
5.4.30.0080.01212.34
5.4.20.0040.01412.39
5.4.10.0080.01112.38
5.4.00.0070.00912.27
5.3.290.0050.01611.55
5.3.280.0060.01211.53
5.3.270.0020.01211.55
5.3.260.0020.01611.58
5.3.250.0030.01411.52
5.3.240.0030.01211.46
5.3.230.0030.01611.52
5.3.220.0030.01411.53
5.3.210.0020.01211.54
5.3.200.0030.01211.45
5.3.190.0040.01111.51
5.3.180.0010.01611.65
5.3.170.0040.01211.48
5.3.160.0030.01511.62
5.3.150.0050.01111.59
5.3.140.0040.01411.48
5.3.130.0020.01211.58
5.3.120.0040.01211.53
5.3.110.0040.01711.62
5.3.100.0080.01511.45
5.3.90.0030.01311.52
5.3.80.0060.02211.41
5.3.70.0070.01911.35
5.3.60.0040.02111.46
5.3.50.0060.01211.33
5.3.40.0090.01811.35
5.3.30.0050.01411.38
5.3.20.0020.01611.29
5.3.10.0040.02011.24
5.3.00.0060.01911.14
5.2.170.0070.03010.23
5.2.160.0090.02810.21
5.2.150.0070.03210.03
5.2.140.0060.02010.19
5.2.130.0070.0279.98
5.2.120.0090.02810.18
5.2.110.0090.01510.16
5.2.100.0070.03410.05
5.2.90.0050.03110.09
5.2.80.0030.02110.13
5.2.70.0050.03210.03
5.2.60.0080.0169.98
5.2.50.0030.03810.11
5.2.40.0030.0219.85
5.2.30.0040.0169.93
5.2.20.0020.0289.89
5.2.10.0030.0329.83
5.2.00.0040.0339.75
5.1.60.0010.0319.18
5.1.50.0060.0269.17
5.1.40.0070.0279.26
5.1.30.0050.0169.44
5.1.20.0060.0279.39
5.1.10.0040.0189.20
5.1.00.0050.0249.31
5.0.50.0040.0218.52
5.0.40.0030.0228.40
5.0.30.0030.0288.36
5.0.20.0050.0128.39
5.0.10.0060.0208.34
5.0.00.0020.0238.37
4.4.90.0010.0167.94
4.4.80.0040.0137.94
4.4.70.0030.0207.94
4.4.60.0030.0207.94
4.4.50.0060.0127.94
4.4.40.0020.0207.94
4.4.30.0020.0147.94
4.4.20.0000.0237.94
4.4.10.0040.0177.94
4.4.00.0060.0177.94
4.3.110.0030.0187.94
4.3.100.0030.0097.94
4.3.90.0030.0167.94
4.3.80.0050.0137.94
4.3.70.0020.0167.94
4.3.60.0030.0187.94
4.3.50.0020.0177.94
4.3.40.0050.0137.94
4.3.30.0030.0187.94
4.3.20.0020.0187.94
4.3.10.0020.0187.94
4.3.00.0020.0137.94

preferences:
52.24 ms | 401 KiB | 5 Q