3v4l.org

run code in 300+ PHP versions simultaneously
<?php $key = new stdClass(); $key->foo = "bar"; $arr = array( $key => "what's this?" ); print_r( $arr );

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)
8.3.60.0110.00418.31
8.3.50.0120.00821.87
8.3.40.0040.01118.77
8.3.30.0070.00719.10
8.3.20.0040.00420.29
8.3.10.0000.00822.15
8.3.00.0040.00422.46
8.2.180.0160.00716.63
8.2.170.0100.00722.96
8.2.160.0130.00720.95
8.2.150.0080.00024.18
8.2.140.0030.00524.66
8.2.130.0040.00426.16
8.2.120.0080.00019.38
8.2.110.0060.00322.30
8.2.100.0110.00018.22
8.2.90.0000.00817.75
8.2.80.0040.00417.97
8.2.70.0000.00818.04
8.2.60.0040.00418.04
8.2.50.0040.00418.10
8.2.40.0000.00720.44
8.2.30.0080.00418.13
8.2.20.0040.00417.71
8.2.10.0040.00417.80
8.2.00.0070.00017.79
8.1.280.0110.00725.92
8.1.270.0000.00721.92
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00422.50
8.1.230.0070.00420.65
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0040.00417.25
8.1.180.0090.00518.10
8.1.170.0000.00918.54
8.1.160.0000.00821.99
8.1.150.0070.00018.60
8.1.140.0050.00317.25
8.1.130.0040.00417.78
8.1.120.0000.00717.40
8.1.110.0000.01017.33
8.1.100.0080.00017.34
8.1.90.0000.00717.35
8.1.80.0050.00217.39
8.1.70.0030.00317.39
8.1.60.0000.00817.52
8.1.50.0070.00017.52
8.1.40.0030.00617.49
8.1.30.0050.00317.53
8.1.20.0040.00417.48
8.1.10.0040.00417.54
8.1.00.0040.00417.41
8.0.300.0000.00919.63
8.0.290.0050.00516.62
8.0.280.0000.00718.42
8.0.270.0040.00417.30
8.0.260.0060.00016.83
8.0.250.0030.00616.94
8.0.240.0030.00316.80
8.0.230.0030.00316.95
8.0.220.0000.00716.88
8.0.210.0000.00716.88
8.0.200.0040.00416.97
8.0.190.0040.00416.89
8.0.180.0000.00716.88
8.0.170.0030.00616.81
8.0.160.0000.00816.95
8.0.150.0030.00716.84
8.0.140.0040.00416.84
8.0.130.0000.00613.29
8.0.120.0030.00516.81
8.0.110.0030.00616.88
8.0.100.0000.00816.84
8.0.90.0070.00016.95
8.0.80.0060.00916.88
8.0.70.0050.00216.93
8.0.60.0000.00716.96
8.0.50.0000.00716.90
8.0.30.0110.00917.07
8.0.20.0100.01117.40
8.0.10.0020.00517.02
8.0.00.0100.00816.62
7.4.330.0050.00015.14
7.4.320.0070.00016.42
7.4.300.0060.00016.43
7.4.290.0030.00316.43
7.4.280.0060.00316.52
7.4.270.0030.00316.45
7.4.260.0030.00316.41
7.4.250.0050.00316.30
7.4.240.0070.00016.51
7.4.230.0000.00716.55
7.4.220.0140.00316.38
7.4.210.0080.00816.57
7.4.200.0080.00016.32
7.4.190.0000.00716.60
7.4.160.0110.01116.52
7.4.150.0100.00717.40
7.4.140.0110.01217.86
7.4.130.0110.01016.61
7.4.120.0090.00716.51
7.4.110.0120.00616.37
7.4.100.0050.01116.59
7.4.90.0110.00816.57
7.4.80.0100.01019.39
7.4.70.0000.01716.54
7.4.60.0000.01616.41
7.4.50.0030.00516.51
7.4.40.0000.01322.77
7.4.30.0130.00616.61
7.4.10.0070.01014.78
7.4.00.0030.01314.94
7.3.330.0020.00213.05
7.3.320.0000.00613.19
7.3.310.0030.00316.41
7.3.300.0000.00616.18
7.3.290.0090.00616.34
7.3.280.0130.00516.28
7.3.270.0030.01317.40
7.3.260.0030.01416.36
7.3.250.0100.00816.55
7.3.240.0160.00016.34
7.3.230.0140.00316.39
7.3.210.0060.01216.41
7.3.200.0150.00819.39
7.3.190.0110.01116.05
7.3.180.0060.00916.41
7.3.170.0090.00616.28
7.3.160.0150.00316.30
7.3.130.0040.01514.78
7.3.120.0050.00914.77
7.3.110.0070.01014.75
7.3.100.0120.00314.70
7.3.90.0080.00814.71
7.3.80.0000.00814.49
7.3.70.0070.00714.76
7.3.60.0060.01014.73
7.3.50.0030.00614.91
7.3.40.0070.00714.65
7.3.30.0070.00714.71
7.3.20.0060.00316.58
7.3.10.0070.00716.61
7.3.00.0100.00516.75
7.2.330.0100.00716.73
7.2.320.0090.00916.62
7.2.310.0120.00616.70
7.2.300.0170.00416.67
7.2.290.0090.00816.58
7.2.260.0090.00914.69
7.2.250.0000.01915.14
7.2.240.0090.00614.80
7.2.230.0000.01315.11
7.2.220.0070.01014.75
7.2.210.0070.00714.85
7.2.200.0000.01414.93
7.2.190.0100.00715.18
7.2.180.0000.01514.99
7.2.170.0040.01115.13
7.2.160.0030.00915.02
7.2.150.0000.01016.55
7.2.140.0060.01016.89
7.2.130.0070.00916.70
7.2.120.0070.00716.68
7.2.110.0100.00716.85
7.2.100.0030.00916.87
7.2.90.0080.00716.82
7.2.80.0090.00916.91
7.2.70.0050.01316.71
7.2.60.0070.00816.72
7.2.50.0100.00516.90
7.2.40.0080.00916.84
7.2.30.0100.00516.81
7.2.20.0080.01116.60
7.2.10.0100.00716.96
7.2.00.0060.00917.67
7.1.330.0030.01215.81
7.1.320.0040.01515.91
7.1.310.0060.00615.81
7.1.300.0070.00715.71
7.1.290.0030.01015.71
7.1.280.0000.00815.63
7.1.270.0030.00915.95
7.1.260.0070.00715.75
7.1.250.0050.00815.61
7.1.240.0090.00615.71
7.1.230.0030.01015.60
7.1.220.0050.00815.80
7.1.210.0080.00615.83
7.1.200.0050.01015.67
7.1.190.0060.00715.78
7.1.180.0040.00915.68
7.1.170.0090.00515.72
7.1.160.0060.00715.74
7.1.150.0070.00815.64
7.1.140.0070.01015.81
7.1.130.0080.00815.64
7.1.120.0080.00515.71
7.1.110.0070.01015.65
7.1.100.0060.00715.70
7.1.90.0060.00815.84
7.1.80.0120.00315.87
7.1.70.0050.00816.11
7.1.60.0080.00716.22
7.1.50.0050.01522.02
7.1.40.0060.01015.63
7.1.30.0130.00515.67
7.1.20.0110.00615.66
7.1.10.0060.00815.72
7.1.00.0030.03317.94
7.0.330.0050.00615.43
7.0.320.0090.00815.48
7.0.310.0070.00715.48
7.0.300.0070.00515.27
7.0.290.0050.01015.27
7.0.280.0050.00715.24
7.0.270.0060.00615.47
7.0.260.0020.01215.22
7.0.250.0070.01115.33
7.0.240.0090.00615.36
7.0.230.0110.00415.41
7.0.220.0050.00815.27
7.0.210.0090.00715.37
7.0.200.0060.01115.79
7.0.190.0060.01015.35
7.0.180.0080.00915.28
7.0.170.0070.01115.30
7.0.160.0080.00815.32
7.0.150.0090.00415.36
7.0.140.0060.02917.61
7.0.130.0030.00815.41
7.0.120.0030.00615.35
7.0.110.0070.00615.17
7.0.100.0100.00515.30
7.0.90.0080.00415.38
7.0.80.0050.00715.44
7.0.70.0070.01015.48
7.0.60.0060.03716.82
7.0.50.0120.01716.27
7.0.40.0060.01615.73
7.0.30.0200.03515.70
7.0.20.0110.03415.82
7.0.10.0140.01715.74
7.0.00.0080.01915.68
5.6.400.0060.00914.50
5.6.390.0100.00314.18
5.6.380.0050.01014.54
5.6.370.0080.00714.49
5.6.360.0060.01014.28
5.6.350.0060.00614.04
5.6.340.0080.00814.46
5.6.330.0120.00514.53
5.6.320.0040.01314.35
5.6.310.0040.01114.61
5.6.300.0040.01014.49
5.6.290.0150.00214.48
5.6.280.0070.02716.61
5.6.270.0050.00814.15
5.6.260.0050.01014.53
5.6.250.0060.00414.03
5.6.240.0060.00614.43
5.6.230.0050.00714.42
5.6.220.0020.01214.22
5.6.210.0070.02816.52
5.6.200.0040.02415.66
5.6.190.0060.02116.53
5.6.180.0350.03216.24
5.6.170.0110.03116.43
5.6.160.0040.02816.34
5.6.150.0060.02815.62
5.6.140.0060.03315.49
5.6.130.0020.03315.64
5.6.120.0090.01716.57
5.6.110.0110.02816.40
5.6.100.0100.02816.51
5.6.90.0090.02316.56
5.6.80.0050.03716.18
5.6.70.0170.03016.24
5.6.60.0050.00814.02
5.6.50.0090.00614.15
5.6.40.0110.00414.27
5.6.30.0020.01014.29
5.6.20.0060.00414.24
5.6.10.0070.00714.14
5.6.00.0060.00814.30
5.5.380.0020.00912.60
5.5.370.0070.00512.83
5.5.360.0000.01212.65
5.5.350.0050.03015.18
5.5.340.0080.02714.46
5.5.330.0080.03115.13
5.5.320.0100.01515.15
5.5.310.0110.03015.15
5.5.300.0020.01914.45
5.5.290.0020.02414.50
5.5.280.0030.03015.44
5.5.270.0030.02515.51
5.5.260.0050.02615.26
5.5.250.0050.03415.26
5.5.240.0050.03115.17
5.5.230.0030.00712.68
5.5.220.0030.00812.74
5.5.210.0070.00712.52
5.5.200.0050.00512.66
5.5.190.0080.00512.59
5.5.180.0060.00512.49
5.5.170.0090.00412.59
5.5.160.0020.00612.47
5.5.150.0060.00412.73
5.5.140.0090.00612.64
5.5.130.0070.00512.56
5.5.120.0060.00712.63
5.5.110.0050.00612.54
5.5.100.0050.00312.56
5.5.90.0030.01012.60
5.5.80.0070.00512.57
5.5.70.0020.01012.50
5.5.60.0050.01012.51
5.5.50.0070.00712.56
5.5.40.0000.01212.42
5.5.30.0070.00212.58
5.5.20.0050.00312.62
5.5.10.0040.00812.57
5.5.00.0050.00812.57
5.4.450.0230.01913.92
5.4.440.0210.02313.84
5.4.430.0060.02313.74
5.4.420.0050.02313.77
5.4.410.0090.02013.56
5.4.400.0100.02213.32
5.4.390.0160.02213.53
5.4.380.0100.02113.51
5.4.370.0050.01713.62
5.4.360.0020.01913.54
5.4.350.0050.01611.21
5.4.340.0050.02111.19
5.4.330.0040.00410.73
5.4.320.0080.02611.43
5.4.310.0040.01911.43
5.4.300.0030.01911.42
5.4.290.0050.01411.39
5.4.280.0030.01911.33
5.4.270.0060.02513.62
5.4.260.0060.02713.60
5.4.250.0020.03613.56
5.4.240.0070.03013.67
5.4.230.0100.01713.61
5.4.220.0060.02813.69
5.4.210.0090.02913.57
5.4.200.0090.02013.61
5.4.190.0050.02413.55
5.4.180.0100.02913.60
5.4.170.0040.02213.57
5.4.160.0050.02413.65
5.4.150.0040.02613.48
5.4.140.0020.02412.73
5.4.130.0070.02112.72
5.4.120.0060.02612.81
5.4.110.0020.02312.71
5.4.100.0090.02312.64
5.4.90.0050.02012.75
5.4.80.0100.01712.81
5.4.70.0050.02712.72
5.4.60.0060.02412.84
5.4.50.0050.02512.79
5.4.40.0060.02312.76
5.4.30.0030.02812.74
5.4.20.0070.02612.78
5.4.10.0090.01512.69
5.4.00.0050.02112.60
5.3.290.0020.01811.38
5.3.280.0090.01811.93
5.3.270.0070.02112.07
5.3.260.0010.02412.05
5.3.250.0060.02012.09
5.3.240.0000.03011.92
5.3.230.0050.02112.01
5.3.220.0050.02111.92
5.3.210.0060.02111.97
5.3.200.0010.02211.94
5.3.190.0070.02011.97
5.3.180.0030.02212.00
5.3.170.0050.01912.08
5.3.160.0080.02612.01
5.3.150.0060.02611.95
5.3.140.0060.02012.01
5.3.130.0030.03012.01
5.3.120.0030.02312.01
5.3.110.0080.02612.04
5.3.100.0050.02011.75
5.3.90.0060.01911.81
5.3.80.0070.02511.79
5.3.70.0050.02011.80
5.3.60.0020.02611.71
5.3.50.0050.02311.77
5.3.40.0050.02111.78
5.3.30.0040.02011.72
5.3.20.0060.02211.60
5.3.10.0050.01911.63
5.3.00.0080.01911.62
5.2.170.0030.03311.01
5.2.160.0060.02011.01
5.2.150.0050.02210.98
5.2.140.0030.02311.13
5.2.130.0070.02510.96
5.2.120.0070.02010.99
5.2.110.0040.02711.11
5.2.100.0050.02211.09
5.2.90.0030.02511.11
5.2.80.0070.02411.07
5.2.70.0050.02210.98
5.2.60.0070.02410.94
5.2.50.0030.02810.92
5.2.40.0070.02011.05
5.2.30.0050.02011.05
5.2.20.0050.02310.92
5.2.10.0070.01910.90
5.2.00.0020.02510.83
5.1.60.0030.02010.44
5.1.50.0050.01710.44
5.1.40.0030.02010.42
5.1.30.0080.01610.71
5.1.20.0060.03110.68
5.1.10.0040.01810.56
5.1.00.0060.01610.54
5.0.50.0020.0239.74
5.0.40.0030.0159.68
5.0.30.0030.0249.71
5.0.20.0050.0139.68
5.0.10.0030.0189.68
5.0.00.0060.0259.55
4.4.90.0010.0139.22
4.4.80.0030.0169.22
4.4.70.0090.0089.22
4.4.60.0030.0129.22
4.4.50.0040.0099.22
4.4.40.0030.0189.22
4.4.30.0020.0199.22
4.4.20.0030.0139.22
4.4.10.0020.0139.22
4.4.00.0000.0259.22
4.3.110.0070.0069.22
4.3.100.0050.0159.22
4.3.90.0070.0089.22
4.3.80.0070.0159.22
4.3.70.0000.0179.22
4.3.60.0000.0159.22
4.3.50.0030.0159.22
4.3.40.0050.0229.22
4.3.30.0010.0139.22
4.3.20.0000.0199.22
4.3.10.0020.0119.22
4.3.00.0030.0129.51

preferences:
61.52 ms | 400 KiB | 5 Q