3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { public $v; } $a = new a; print_r($a->v); // php5 output // php4 output, how to fix // howto make 'string(3) "123"' output

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)
8.3.40.0120.00618.55
8.3.30.0150.00018.50
8.3.20.0050.00318.44
8.3.10.0000.00820.26
8.3.00.0080.00017.38
8.2.170.0090.00922.96
8.2.160.0070.00720.27
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0030.00526.16
8.2.120.0000.00719.64
8.2.110.0100.00021.11
8.2.100.0040.00817.75
8.2.90.0060.00320.82
8.2.80.0000.00717.93
8.2.70.0070.00417.38
8.2.60.0080.00017.68
8.2.50.0060.00318.07
8.2.40.0070.00017.81
8.2.30.0000.00817.97
8.2.20.0000.00817.59
8.2.10.0070.00017.47
8.2.00.0030.00617.61
8.1.270.0070.00024.66
8.1.260.0050.00226.35
8.1.250.0080.00028.09
8.1.240.0090.00322.33
8.1.230.0070.00320.88
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0090.00017.13
8.1.190.0070.00017.41
8.1.180.0000.00818.10
8.1.170.0000.00818.71
8.1.160.0000.00818.94
8.1.150.0000.00718.49
8.1.140.0040.00417.43
8.1.130.0040.00417.87
8.1.120.0000.00717.31
8.1.110.0040.00417.38
8.1.100.0000.00717.39
8.1.90.0000.00717.32
8.1.80.0030.00317.31
8.1.70.0000.00717.41
8.1.60.0040.00417.55
8.1.50.0000.00717.32
8.1.40.0030.00717.42
8.1.30.0000.00717.53
8.1.20.0040.00417.59
8.1.10.0070.00017.43
8.1.00.0050.00317.52
8.0.300.0000.00719.88
8.0.290.0000.00716.63
8.0.280.0050.00318.38
8.0.270.0000.00717.11
8.0.260.0000.00616.81
8.0.250.0070.00016.84
8.0.240.0070.00316.88
8.0.230.0040.00416.86
8.0.220.0000.00816.74
8.0.210.0000.00716.83
8.0.200.0030.00316.86
8.0.190.0070.00016.84
8.0.180.0040.00416.88
8.0.170.0080.00016.78
8.0.160.0000.00716.82
8.0.150.0000.00816.80
8.0.140.0000.00716.82
8.0.130.0000.00613.25
8.0.120.0040.00416.76
8.0.110.0000.00716.89
8.0.100.0040.00416.84
8.0.90.0040.00416.90
8.0.80.0140.00016.80
8.0.70.0040.00416.82
8.0.60.0050.00216.75
8.0.50.0040.00416.79
8.0.30.0070.01117.02
8.0.20.0120.01017.06
8.0.10.0080.00016.95
8.0.00.0040.01416.59
7.4.330.0000.00512.91
7.4.320.0000.00716.51
7.4.300.0000.00716.53
7.4.290.0000.00716.45
7.4.280.0090.00016.38
7.4.270.0060.00016.44
7.4.260.0050.00013.20
7.4.250.0080.00016.53
7.4.240.0000.00716.59
7.4.230.0050.00316.64
7.4.220.0120.01016.49
7.4.210.0090.00616.49
7.4.200.0040.00416.34
7.4.190.0000.00716.70
7.4.160.0100.00716.38
7.4.150.0120.00616.29
7.4.140.0100.00816.33
7.4.130.0090.00916.42
7.4.120.0080.00916.40
7.4.110.0090.00916.44
7.4.100.0070.01016.54
7.4.90.0180.00016.38
7.4.80.0130.00916.36
7.4.70.0070.01016.44
7.4.60.0030.01516.19
7.4.50.0000.00616.39
7.4.40.0070.00716.29
7.4.30.0090.00916.53
7.4.00.0100.00714.86
7.3.330.0060.00012.92
7.3.320.0050.00013.20
7.3.310.0000.00716.05
7.3.300.0030.00316.11
7.3.290.0060.00916.12
7.3.280.0050.01116.16
7.3.270.0070.01016.39
7.3.260.0060.01116.27
7.3.250.0140.00516.43
7.3.240.0130.00616.23
7.3.230.0100.01016.35
7.3.210.0060.01116.27
7.3.200.0060.01019.39
7.3.190.0070.01416.13
7.3.180.0150.00016.27
7.3.170.0120.00916.34
7.3.160.0060.00916.50
7.3.120.0040.01314.65
7.3.110.0040.01514.43
7.3.100.0070.01014.75
7.3.90.0140.00314.80
7.3.80.0000.01614.58
7.3.70.0070.00714.49
7.3.60.0070.00314.86
7.3.50.0040.00814.77
7.3.40.0030.01014.42
7.3.30.0060.00614.68
7.3.20.0090.00616.24
7.3.10.0090.00616.35
7.3.00.0080.00616.27
7.2.330.0100.01016.73
7.2.320.0110.00816.55
7.2.310.0140.01016.41
7.2.300.0190.00616.34
7.2.290.0110.00616.64
7.2.250.0070.01315.11
7.2.240.0040.01114.81
7.2.230.0030.01514.68
7.2.220.0100.01014.93
7.2.210.0030.01114.95
7.2.200.0120.00315.10
7.2.190.0030.01014.59
7.2.180.0000.01514.77
7.2.170.0090.00914.61
7.2.130.0080.01016.69
7.2.120.0080.00716.79
7.2.110.0100.00716.63
7.2.100.0060.00816.61
7.2.90.0080.01016.52
7.2.80.0070.00816.60
7.2.70.0080.00816.73
7.2.60.0050.00916.61
7.2.50.0100.00616.77
7.2.40.0080.00716.60
7.2.30.0090.00616.54
7.2.20.0090.00616.67
7.2.10.0030.01216.68
7.2.00.0040.01117.31
7.1.330.0060.00915.73
7.1.320.0120.00615.73
7.1.310.0030.01215.50
7.1.300.0080.00615.69
7.1.290.0100.00715.45
7.1.280.0000.01415.70
7.1.270.0000.01415.48
7.1.260.0060.00615.93
7.1.250.0100.00115.37
7.1.230.0080.00315.54
7.1.220.0000.01215.78
7.1.210.0000.01115.76
7.1.200.0070.00715.74
7.1.190.0090.00315.66
7.1.180.0060.00715.76
7.1.170.0030.00515.86
7.1.160.0030.00715.63
7.1.150.0080.00415.32
7.1.140.0000.01215.70
7.1.130.0080.00415.85
7.1.120.0100.00315.61
7.1.110.0060.00815.61
7.1.100.0050.00716.79
7.1.90.0110.00015.82
7.1.80.0060.00615.81
7.1.70.0050.00516.36
7.1.60.0060.01117.53
7.1.50.0030.01016.17
7.1.40.0070.00715.86
7.1.30.0060.00915.40
7.1.20.0060.00915.87
7.1.10.0030.01015.63
7.1.00.0050.03819.09
7.0.310.0030.01215.32
7.0.300.0060.00615.12
7.0.290.0040.01115.32
7.0.280.0080.00415.53
7.0.270.0040.00415.34
7.0.260.0030.00915.06
7.0.250.0000.00815.52
7.0.240.0040.01215.39
7.0.230.0030.00615.42
7.0.220.0110.00015.32
7.0.210.0060.00615.34
7.0.200.0060.00514.94
7.0.190.0030.01015.44
7.0.180.0030.00715.31
7.0.170.0050.00515.23
7.0.160.0000.01115.34
7.0.150.0030.01015.09
7.0.140.0090.03618.64
7.0.130.0030.00615.06
7.0.120.0050.03918.78
7.0.110.0060.00315.29
7.0.100.0090.00315.38
7.0.90.0100.00315.49
7.0.80.0050.00515.39
7.0.70.0090.00315.45
7.0.60.0050.04817.50
7.0.50.0100.04416.66
7.0.40.0020.03016.56
7.0.30.0150.02016.72
7.0.20.0140.04016.82
7.0.10.0180.03116.78
7.0.00.0030.02516.77
5.6.380.0070.00314.57
5.6.370.0070.00614.00
5.6.360.0060.00614.38
5.6.350.0000.00914.09
5.6.340.0130.00014.31
5.6.330.0030.00914.22
5.6.320.0000.01013.99
5.6.310.0000.01313.79
5.6.300.0060.00314.55
5.6.290.0000.01014.33
5.6.280.0060.03617.80
5.6.270.0030.01014.59
5.6.260.0070.00714.43
5.6.250.0000.01114.08
5.6.240.0030.00914.55
5.6.230.0100.00314.38
5.6.220.0000.00914.25
5.6.210.0070.02217.28
5.6.200.0090.04416.30
5.6.190.0030.04217.39
5.6.180.0130.02317.39
5.6.170.0150.03617.30
5.6.160.0070.02217.33
5.6.150.0100.03616.13
5.6.140.0100.02016.16
5.6.130.0060.02216.22
5.6.120.0050.05017.75
5.6.110.0050.04017.57
5.6.100.0080.04317.70
5.6.90.0100.03617.50
5.6.80.0070.02017.30
5.6.70.2230.02017.28
5.6.60.0030.01014.16
5.6.50.0000.01314.27
5.6.40.0000.00914.07
5.6.30.0070.00314.26
5.6.20.0040.00714.16
5.6.10.0030.00614.23
5.6.00.0000.00714.39
5.5.380.0080.00310.80
5.5.370.0030.00711.25
5.5.360.0050.00011.11
5.5.350.0120.01815.70
5.5.340.0090.02814.49
5.5.330.0090.04115.66
5.5.320.0160.02815.78
5.5.310.0100.02615.71
5.5.300.0100.02514.52
5.5.290.0060.03514.60
5.5.280.0030.04515.83
5.5.270.0060.04515.89
5.5.260.0000.03815.83
5.5.250.0060.03115.87
5.5.240.0050.03515.71
5.5.230.0070.00310.96
5.5.220.0050.00011.09
5.5.210.0050.00010.89
5.5.200.0030.00711.05
5.5.190.0040.00411.29
5.5.180.0000.00910.91
5.5.170.0000.01314.16
5.5.160.0050.00011.20
5.5.150.0060.00011.17
5.5.140.0040.00411.21
5.5.130.0050.00010.98
5.5.120.0050.00510.91
5.5.110.0080.00011.17
5.5.100.0070.00311.05
5.5.90.0030.00610.91
5.5.80.0090.00011.23
5.5.70.0030.00611.04
5.5.60.0090.00010.84
5.5.50.0000.00610.85
5.5.40.0030.00611.11
5.5.30.0100.00010.89
5.5.20.0000.01110.82
5.5.10.0080.00411.03
5.5.00.0060.00311.15
5.4.450.0020.04315.23
5.4.440.0050.03814.95
5.4.430.0050.03115.23
5.4.420.0090.03515.28
5.4.410.0070.01915.22
5.4.400.0030.02215.02
5.4.390.0050.02015.02
5.4.380.0030.02215.02
5.4.370.0050.02515.09
5.4.360.0030.02214.96
5.4.350.0030.02114.98
5.4.340.0020.02215.00
5.4.330.0000.01010.98
5.4.320.0030.02115.09
5.4.310.0020.02514.96
5.4.300.0000.02614.73
5.4.290.0090.01515.02
5.4.280.0020.02215.15
5.4.270.0090.01714.95
5.4.260.0040.02015.12
5.4.250.0050.01914.94
5.4.240.0070.01814.90
5.4.230.0030.02514.90
5.4.220.0020.02214.92
5.4.210.0070.01815.05
5.4.200.0080.02214.89
5.4.190.0050.02114.92
5.4.180.0050.02215.04
5.4.170.0040.02015.08
5.4.160.0040.02514.83
5.4.150.0030.04115.13
5.4.140.0070.03713.76
5.4.130.0060.02213.70
5.4.120.0030.03113.72
5.4.110.0020.02713.85
5.4.100.0050.03013.71
5.4.90.0040.02613.73
5.4.80.0030.03113.48
5.4.70.0050.02713.76
5.4.60.0060.02413.64
5.4.50.0140.02513.76
5.4.40.0080.01713.54
5.4.30.0050.02713.67
5.4.20.0070.03513.71
5.4.10.0060.03813.60
5.4.00.0090.03513.50
5.3.290.0020.02212.67
5.3.280.0040.01812.56
5.3.270.0060.02012.58
5.3.260.0040.03812.51
5.3.250.0020.02312.53
5.3.240.0050.04012.45
5.3.230.0070.02812.43
5.3.220.0120.03012.42
5.3.210.0130.03512.40
5.3.200.0080.01712.36
5.3.190.0080.02312.54
5.3.180.0050.04012.56
5.3.170.0030.03312.64
5.3.160.0020.03012.63
5.3.150.0060.03512.58
5.3.140.0050.02912.52
5.3.130.0030.02312.36
5.3.120.0030.02112.54
5.3.110.0080.02712.51
5.3.100.0030.04012.16
5.3.90.0030.03512.14
5.3.80.0080.03512.25
5.3.70.0080.03612.26
5.3.60.0060.02512.32
5.3.50.0050.02512.18
5.3.40.0050.02912.03
5.3.30.0060.03512.13
5.3.20.0030.03512.11
5.3.10.0020.04311.99
5.3.00.0030.03311.93
5.2.170.0000.03610.34
5.2.160.0030.03410.35
5.2.150.0050.01610.47
5.2.140.0000.02510.24
5.2.130.0020.02010.28
5.2.120.0050.02510.36
5.2.110.0000.03010.28
5.2.100.0060.02810.27
5.2.90.0050.01810.14
5.2.80.0020.03610.25
5.2.70.0010.03310.14
5.2.60.0020.02510.17
5.2.50.0090.01710.10
5.2.40.0020.01810.19
5.2.30.0040.01710.03
5.2.20.0020.03510.11
5.2.10.0020.0359.99
5.2.00.0070.0129.95
5.1.60.0050.0219.39
5.1.50.0030.0249.26
5.1.40.0000.0269.26
5.1.30.0050.0189.53
5.1.20.0060.0159.51
5.1.10.0050.0289.36
5.1.00.0020.0329.32
5.0.50.0030.0239.18
5.0.40.0040.0239.18
5.0.30.0030.0329.18
5.0.20.0040.0179.18
5.0.10.0020.0129.18
5.0.00.0000.0379.18
4.4.90.0030.0169.18
4.4.80.0030.0109.18
4.4.70.0030.0109.18
4.4.60.0000.0149.18
4.4.50.0020.0099.18
4.4.40.0030.0219.18
4.4.30.0020.0159.18
4.4.20.0000.0119.18
4.4.10.0030.0159.18
4.4.00.0030.0189.18
4.3.110.0040.0159.18
4.3.100.0000.0169.18
4.3.90.0000.0129.18
4.3.80.0020.0159.18
4.3.70.0020.0209.18
4.3.60.0000.0219.18
4.3.50.0030.0159.18
4.3.40.0000.0199.18
4.3.30.0000.0169.18
4.3.20.0010.0139.18
4.3.10.0010.0119.18
4.3.00.0020.0189.18

preferences:
46.63 ms | 400 KiB | 5 Q