3v4l.org

run code in 300+ PHP versions simultaneously
<?php $return = 'json'; echo json_encode(array("return" => $return, "success" => true));

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)
8.3.60.0120.00618.43
8.3.50.0160.00721.99
8.3.40.0100.01019.61
8.3.30.0140.00719.08
8.2.180.0040.01118.41
8.2.170.0100.00718.91
8.2.160.0100.01019.97
8.1.280.0060.00925.92
7.4.10.0140.01416.53
7.4.00.0130.00715.69
7.3.130.0160.01216.45
7.3.120.0080.00715.49
7.3.110.0230.00616.20
7.3.100.0060.01616.38
7.3.90.0150.01216.19
7.3.80.0220.00216.25
7.3.70.0160.00616.35
7.3.60.0210.00716.32
7.3.50.0130.00312.47
7.3.40.0200.01216.27
7.3.30.0130.01016.17
7.3.20.0110.01518.20
7.3.10.0180.00918.28
7.3.00.0120.00817.03
7.2.260.0120.00816.41
7.2.250.0160.01316.26
7.2.240.0170.00816.54
7.2.230.0130.01616.42
7.2.220.0140.00716.49
7.2.210.0150.00916.22
7.2.200.0230.00816.41
7.2.190.0150.01016.32
7.2.180.0150.01016.30
7.2.170.0190.01116.40
7.2.160.0070.01716.45
7.2.150.0210.00318.18
7.2.140.0160.01118.15
7.2.130.0110.00515.06
7.2.120.0120.01017.37
7.2.110.0070.01317.43
7.2.100.0130.00817.52
7.2.90.0050.01317.47
7.2.80.0060.01517.40
7.2.70.0130.00517.51
7.2.60.0120.00817.29
7.2.50.0100.00917.64
7.2.40.0110.00917.65
7.2.30.0050.01017.58
7.2.20.0060.00817.49
7.2.10.0080.00717.48
7.2.00.0090.00517.26
7.1.330.0050.01917.19
7.1.320.0150.00617.06
7.1.310.0110.00717.18
7.1.300.0210.00517.36
7.1.290.0170.00617.29
7.1.280.3570.00717.24
7.1.270.0220.00717.13
7.1.260.0210.00717.28
7.1.250.0080.01016.43
7.1.240.0080.01016.38
7.1.230.0100.01116.33
7.1.220.0120.00716.48
7.1.210.0120.00716.46
7.1.200.0120.00416.13
7.1.190.0080.00516.37
7.1.180.0090.00616.23
7.1.170.0240.00816.48
7.1.160.0170.00216.53
7.1.150.0060.00516.43
7.1.140.0050.00716.36
7.1.130.0070.00716.41
7.1.120.0090.00516.50
7.1.110.0070.00716.41
7.1.100.0080.00516.63
7.1.90.0020.00716.44
7.1.80.0110.00316.45
7.1.70.0030.00816.51
7.1.60.0060.01017.42
7.1.50.0080.00616.48
7.1.40.0070.00516.55
7.1.30.0080.00816.37
7.1.20.0050.00916.53
7.1.10.0030.01116.50
7.1.00.0070.02318.37
7.0.330.0110.00916.10
7.0.320.0090.00716.00
7.0.310.0080.01016.14
7.0.300.0180.00116.09
7.0.290.0060.00516.15
7.0.280.0050.01116.17
7.0.270.0060.00616.03
7.0.260.0110.00216.06
7.0.250.0050.00716.33
7.0.240.0050.01016.22
7.0.230.0110.00516.35
7.0.220.0050.00816.17
7.0.210.0080.00416.06
7.0.200.0030.00816.30
7.0.190.0070.00716.13
7.0.180.0070.00916.15
7.0.170.0050.01216.19
7.0.160.0110.00516.20
7.0.150.0030.01216.10
7.0.140.0090.02618.11
7.0.130.0070.00716.09
7.0.120.0070.00916.06
7.0.110.0050.01016.00
7.0.100.0040.01215.95
7.0.90.0080.02517.28
7.0.80.0190.02017.41
7.0.70.0160.02117.31
7.0.60.0190.02417.37
7.0.50.0250.02717.55
7.0.40.0070.03416.08
7.0.30.0050.02016.06
7.0.20.0080.01516.14
7.0.10.0060.02516.13
7.0.00.0080.01616.09
5.6.400.0080.01615.92
5.6.390.0100.01215.93
5.6.380.0100.01015.13
5.6.370.0050.00914.91
5.6.360.0030.01115.21
5.6.350.0100.00614.84
5.6.340.0040.01114.62
5.6.330.0020.01014.97
5.6.320.0060.00714.97
5.6.310.0090.00514.76
5.6.300.0090.00815.21
5.6.290.0080.00714.93
5.6.280.0030.00914.82
5.6.270.0050.00715.00
5.6.260.0050.00715.03
5.6.250.0010.01014.79
5.6.240.0070.01916.89
5.6.230.0050.02116.90
5.6.220.0050.01816.76
5.6.210.0010.02316.69
5.6.200.0050.03216.98
5.6.190.0050.03016.88
5.6.180.0040.01916.95
5.6.170.0080.01516.84
5.6.160.0060.02316.88
5.6.150.0060.01816.95
5.6.140.0080.02516.88
5.6.130.0040.02016.97
5.6.120.0020.02316.90
5.6.110.0050.01616.86
5.6.100.0060.02916.78
5.6.90.0050.01816.92
5.6.80.0030.02616.66
5.6.70.0060.01816.78
5.6.60.0070.02316.87
5.6.50.0070.02116.79
5.6.40.0080.01516.90
5.6.30.0070.02716.92
5.6.20.0100.01416.78
5.6.10.0060.01616.68
5.6.00.0050.01816.68
5.5.380.0050.02815.64
5.5.370.0090.01615.67
5.5.360.0070.02115.75
5.5.350.0040.02215.67
5.5.340.0120.03015.83
5.5.330.0100.01715.78
5.5.320.0070.02516.00
5.5.310.0090.01915.90
5.5.300.0110.01515.87
5.5.290.0070.02115.88
5.5.280.0100.02115.77
5.5.270.0080.01815.81
5.5.260.0080.01915.80
5.5.250.0070.01814.69
5.5.240.0050.02115.59
5.5.230.0060.01715.61
5.5.220.0060.01714.54
5.5.210.0050.02214.54
5.5.200.0050.01714.49
5.5.190.0070.01915.56
5.5.180.0050.01814.48
5.5.170.0100.00613.32
5.5.160.0070.01714.52
5.5.150.0120.02715.65
5.5.140.0070.03015.56
5.5.130.0090.03015.59
5.5.120.0060.03515.70
5.5.110.0050.03615.56
5.5.100.0080.01614.52
5.5.90.0080.02415.53
5.5.80.0050.02114.57
5.5.70.0100.01815.59
5.5.60.0110.02615.55
5.5.50.0060.03215.52
5.5.40.0080.03115.55
5.5.30.0080.03015.48
5.5.20.0090.02115.50
5.5.10.0110.02815.44
5.5.00.0090.01615.46
5.4.450.0040.02714.21
5.4.440.0090.02014.25
5.4.430.0090.01814.27
5.4.420.0050.02114.27
5.4.410.0050.01614.20
5.4.400.0060.01914.06
5.4.390.0070.01514.14
5.4.380.0050.01714.16
5.4.370.0060.02314.11
5.4.360.0030.01814.11
5.4.350.0070.02614.21
5.4.340.0060.01614.14
5.4.330.0070.00611.68
5.4.320.0040.01714.06
5.4.310.0030.01714.16
5.4.300.0100.01614.11
5.4.290.0080.01914.06
5.4.280.0070.03114.14
5.4.270.0080.01714.17
5.4.260.0060.02114.17
5.4.250.0070.02614.06
5.4.240.0060.01914.17
5.4.230.0050.02714.13
5.4.220.0070.02314.13
5.4.210.0100.02714.14
5.4.200.0050.03114.17
5.4.190.0080.02114.15
5.4.180.0080.02814.15
5.4.170.0090.02214.13
5.4.160.0050.02414.13
5.4.150.0080.02814.11
5.4.140.0070.02613.22
5.4.130.0050.02113.19
5.4.120.0060.01713.20
5.4.110.0070.02413.22
5.4.100.0060.02813.31
5.4.90.0090.02613.20
5.4.80.0080.02513.21
5.4.70.0080.01913.23
5.4.60.0040.02213.21
5.4.50.0090.01713.21
5.4.40.0090.01913.22
5.4.30.0080.02713.21
5.4.20.0090.02513.19
5.4.10.0090.02713.27
5.4.00.0090.02413.04
5.3.290.0110.02412.86
5.3.280.0110.02312.81
5.3.270.0100.02712.75
5.3.260.0080.01912.79
5.3.250.0060.02012.80
5.3.240.0060.02612.75
5.3.230.0040.02712.74
5.3.220.0020.03012.69
5.3.210.0100.01912.75
5.3.200.0050.02112.74
5.3.190.0060.03012.67
5.3.180.0090.02912.77
5.3.170.0060.02912.71
5.3.160.0080.03012.80
5.3.150.0070.03212.70
5.3.140.0090.01812.70
5.3.130.0030.02812.74
5.3.120.0070.02112.79
5.3.110.0130.02212.77
5.3.100.0080.02812.61
5.3.90.0060.02312.63
5.3.80.0050.02512.57
5.3.70.0060.02912.47
5.3.60.0070.03012.59
5.3.50.0050.03212.57
5.3.40.0090.01412.58
5.3.30.0070.01512.52
5.3.20.0010.03212.49
5.3.10.0060.02712.42
5.3.00.0020.03212.31
5.2.170.0050.03210.94
5.2.160.0030.02410.99
5.2.150.0020.02011.00
5.2.140.0050.01611.01
5.2.130.0050.01610.97
5.2.120.0020.02211.00
5.2.110.0050.02010.92
5.2.100.0100.01711.02
5.2.90.0100.01310.97
5.2.80.0030.03310.99
5.2.70.0030.02310.95
5.2.60.0000.02110.88
5.2.50.0030.02310.96
5.2.40.0080.03110.88
5.2.30.0080.02810.93
5.2.20.0080.03010.93
5.2.10.0070.03010.89
5.2.00.0050.03110.83
5.1.60.0030.02110.47
5.1.50.0000.03210.44
5.1.40.0070.02810.43
5.1.30.0000.01910.63
5.1.20.0070.01510.55
5.1.10.0030.03010.47
5.1.00.0010.03010.48
5.0.50.0030.0249.74
5.0.40.0070.0179.67
5.0.30.0040.0339.58
5.0.20.0010.0159.59
5.0.10.0030.0239.55
5.0.00.0070.0309.52
4.4.90.0020.0179.47
4.4.80.0030.0159.47
4.4.70.0020.0129.47
4.4.60.0050.0159.47
4.4.50.0030.0139.47
4.4.40.0070.0249.47
4.4.30.0000.0199.47
4.4.20.0040.0099.47
4.4.10.0020.0189.47
4.4.00.0000.0329.47
4.3.110.0000.0229.47
4.3.100.0000.0129.47
4.3.90.0080.0139.47
4.3.80.0030.0279.47
4.3.70.0050.0179.47
4.3.60.0050.0139.47
4.3.50.0040.0109.47
4.3.40.0000.0259.47
4.3.30.0030.0189.47
4.3.20.0000.0209.47
4.3.10.0020.0199.47
4.3.00.0020.0209.47

preferences:
47.48 ms | 401 KiB | 5 Q