3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'foo'; $b = 'bar'; $c = 'qux'; $d = $a. $b. $c;

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)
8.3.70.0070.00718.43
8.3.60.0060.01018.27
8.3.50.0100.00622.92
8.3.40.0030.01318.77
8.3.30.0110.00718.88
8.3.20.0040.00420.21
8.3.10.0040.00423.48
8.3.00.0050.00319.25
8.2.180.0040.01116.32
8.2.170.0100.01022.96
8.2.160.0080.00520.44
8.2.150.0050.00224.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.96
8.2.110.0030.00720.89
8.2.100.0110.00017.72
8.2.90.0060.00319.21
8.2.80.0040.00417.97
8.2.70.0040.00417.38
8.2.60.0060.00317.80
8.2.50.0050.00318.07
8.2.40.0030.00519.84
8.2.30.0070.00417.97
8.2.20.0030.00617.73
8.2.10.0050.00218.03
8.2.00.0000.00817.84
8.1.280.0140.00025.92
8.1.270.0060.00323.96
8.1.260.0000.00726.35
8.1.250.0050.00228.09
8.1.240.0060.00322.23
8.1.230.0060.00619.00
8.1.220.0000.00717.74
8.1.210.0000.00918.77
8.1.200.0040.00417.35
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0150.00317.99
8.1.160.0000.00721.90
8.1.150.0040.00418.87
8.1.140.0040.00417.43
8.1.130.0000.00717.73
8.1.120.0070.00017.43
8.1.110.0040.00417.32
8.1.100.0040.00417.48
8.1.90.0050.00217.32
8.1.80.0070.00017.40
8.1.70.0000.00717.35
8.1.60.0000.00817.64
8.1.50.0060.00317.54
8.1.40.0080.00017.47
8.1.30.0030.00517.60
8.1.20.0050.00317.52
8.1.10.0030.00517.53
8.1.00.0050.00217.42
8.0.300.0030.00520.09
8.0.290.0040.00416.75
8.0.280.0000.00718.43
8.0.270.0000.00717.24
8.0.260.0000.00617.16
8.0.250.0040.00416.94
8.0.240.0040.00416.93
8.0.230.0040.00416.98
8.0.220.0060.00016.76
8.0.210.0020.00516.74
8.0.200.0030.00316.92
8.0.190.0030.00616.94
8.0.180.0000.00716.83
8.0.170.0080.00016.93
8.0.160.0000.00816.89
8.0.150.0020.00516.83
8.0.140.0040.00416.87
8.0.130.0000.00613.35
8.0.120.0030.00516.85
8.0.110.0090.00016.92
8.0.100.0050.00316.76
8.0.90.0050.00216.80
8.0.80.0060.00916.82
8.0.70.0020.00516.77
8.0.60.0040.00416.69
8.0.50.0050.00216.82
8.0.30.0070.01616.90
8.0.20.0120.00917.40
8.0.10.0040.00417.02
8.0.00.0080.00816.80
7.4.330.0050.00015.00
7.4.320.0060.00016.47
7.4.300.0050.00216.59
7.4.290.0030.00316.40
7.4.280.0070.00016.61
7.4.270.0030.00316.59
7.4.260.0070.00016.49
7.4.250.0040.00416.55
7.4.240.0030.00316.61
7.4.230.0070.00016.63
7.4.220.0130.00316.44
7.4.210.0100.00316.35
7.4.200.0000.00716.30
7.4.160.0150.00616.49
7.4.150.0170.00017.40
7.4.140.0080.01317.86
7.4.130.0090.00816.50
7.4.120.0080.00816.40
7.4.110.0100.00716.32
7.4.100.0100.00716.27
7.4.90.0070.01116.54
7.4.80.0060.01019.39
7.4.70.0070.01416.38
7.4.60.0000.01616.42
7.4.50.0040.00416.47
7.4.40.0040.01416.51
7.4.30.0080.01516.57
7.4.00.0110.00415.00
7.3.330.0000.00613.04
7.3.320.0050.00013.10
7.3.310.0020.00516.26
7.3.300.0070.00016.10
7.3.290.0110.00316.21
7.3.280.0090.00616.19
7.3.270.0070.01017.40
7.3.260.0100.01116.33
7.3.250.0110.00716.36
7.3.240.0180.00016.17
7.3.230.0030.01316.39
7.3.210.0030.01416.36
7.3.200.0100.00719.39
7.3.190.0140.00316.29
7.3.180.0040.01216.45
7.3.170.0110.00516.37
7.3.160.0090.00616.24
7.3.10.0080.00616.41
7.3.00.0070.00416.39
7.2.330.0160.00316.52
7.2.320.0130.00316.68
7.2.310.0060.01616.48
7.2.300.0150.00316.45
7.2.290.0120.00916.59
7.2.130.0050.01116.67
7.2.120.0050.00716.61
7.2.110.0060.00716.72
7.2.100.0060.00816.75
7.2.90.0080.00516.69
7.2.80.0090.00716.72
7.2.70.0070.00616.49
7.2.60.0080.00816.70
7.2.50.0080.00716.71
7.2.40.0060.01016.84
7.2.30.0120.00516.80
7.2.20.0070.00816.74
7.2.10.0090.00516.54
7.2.00.0020.01116.60
7.1.250.0080.00515.40
7.1.240.0090.00315.55
7.1.230.0110.00415.40
7.1.220.0110.00315.57
7.1.210.0090.00915.46
7.1.200.0080.00515.43
7.1.190.0070.00715.59
7.1.180.0070.01115.48
7.1.170.0040.01115.35
7.1.160.0040.00415.55
7.1.150.0000.01315.72
7.1.140.0000.01215.46
7.1.130.0070.01315.59
7.1.120.0080.00415.40
7.1.110.0040.01215.64
7.1.100.0030.00715.50
7.1.90.0080.00415.59
7.1.80.0030.00615.64
7.1.70.0060.00416.35
7.1.60.0110.00617.42
7.1.50.0030.01216.13
7.1.40.0070.00715.68
7.1.30.0000.01715.31
7.1.20.0000.01715.54
7.1.10.0150.00015.58
7.1.00.0030.04219.03
7.0.330.0100.00315.32
7.0.320.0100.00315.22
7.0.310.0070.00715.15
7.0.300.0080.00815.37
7.0.290.0040.01115.22
7.0.280.0150.00015.10
7.0.270.0060.00615.50
7.0.260.0090.00615.26
7.0.250.0030.00915.16
7.0.240.0000.01615.33
7.0.230.0070.00715.45
7.0.220.0000.01515.17
7.0.210.0090.00615.39
7.0.200.0190.00315.01
7.0.190.0090.00615.09
7.0.180.0070.00315.39
7.0.170.0150.00315.43
7.0.160.0060.00315.38
7.0.150.0110.00715.33
7.0.140.0030.03518.66
7.0.130.0120.00415.27
7.0.120.0130.01015.40
7.0.110.0090.00615.27
7.0.100.0090.00915.14
7.0.90.0070.00415.20
7.0.80.0060.00615.30
7.0.70.0070.00315.18
7.0.60.0060.03517.51
7.0.50.0100.04516.70
7.0.40.0060.03516.76
7.0.30.0320.03916.74
7.0.20.0270.03316.90
7.0.10.0090.02916.71
7.0.00.0060.03916.63
5.6.380.0060.00613.88
5.6.370.0040.01114.32
5.6.360.0000.01014.27
5.6.350.0060.00914.32
5.6.340.0040.01213.92
5.6.330.0030.01313.82
5.6.320.0030.01014.31
5.6.310.0070.00713.81
5.6.300.0060.00613.96
5.6.290.0070.00313.77
5.6.280.0020.04717.55
5.6.270.0040.01114.24
5.6.260.0030.01214.11
5.6.250.0070.00713.98
5.6.240.0040.01513.97
5.6.230.0050.00514.14
5.6.220.0030.01313.98
5.6.210.0090.03317.29
5.6.200.0080.03916.07
5.6.190.0080.04317.38
5.6.180.2050.02317.07
5.6.170.0170.02717.28
5.6.160.0070.04017.29
5.6.150.0070.04516.09
5.6.140.0060.02616.24
5.6.130.0080.02116.24
5.6.120.0050.04717.56
5.6.110.0070.04517.64
5.6.100.0070.04717.59
5.6.90.0040.02917.53
5.6.80.0080.04217.41
5.6.70.1790.02117.09
5.6.60.0030.01013.93
5.6.50.0070.00714.10
5.6.40.0000.01214.27
5.6.30.0070.00714.31
5.6.20.0130.00313.70
5.6.10.0000.01014.07
5.6.00.0000.01313.82
5.5.380.0060.00310.88
5.5.370.0090.00310.88
5.5.360.0030.00911.11
5.5.350.0150.04015.54
5.5.340.0110.03614.33
5.5.330.0090.04415.61
5.5.320.0240.04115.41
5.5.310.0120.04415.43
5.5.300.0040.02414.43
5.5.290.0030.02514.38
5.5.280.0050.02315.79
5.5.270.0090.03515.88
5.5.260.0090.02115.71
5.5.250.0050.04515.47
5.5.240.0160.01815.46
5.5.230.0030.00610.84
5.5.220.0000.00610.85
5.5.210.0070.00711.02
5.5.200.0030.00610.77
5.5.190.0040.00410.80
5.5.180.0070.00710.63
5.5.170.0030.00910.86
5.5.160.0040.00410.99
5.5.150.0030.00911.13
5.5.140.0030.00910.78
5.5.130.0100.00010.65
5.5.120.0030.00310.78
5.5.110.0060.00610.75
5.5.100.0030.00910.78
5.5.90.0030.01010.72
5.5.80.0070.00410.57
5.5.70.0060.00610.45
5.5.60.0030.00610.86
5.5.50.0090.00310.69
5.5.40.0040.00810.52
5.5.30.0070.00310.78
5.5.20.0030.00710.61
5.5.10.0060.00010.63
5.5.00.0040.00410.60
5.4.450.0150.03014.98
5.4.440.0150.02814.95
5.4.430.0250.02314.92
5.4.420.0210.03014.98
5.4.410.0200.02514.89
5.4.400.0100.01914.64
5.4.390.0180.02014.87
5.4.380.0080.03014.80
5.4.370.0280.03314.77
5.4.360.0210.03014.59
5.4.350.0170.03014.62
5.4.340.0230.02514.63
5.4.330.0040.00710.74
5.4.320.0040.02211.55
5.4.310.0060.02311.42
5.4.300.0030.02111.46
5.4.290.0060.02111.61
5.4.280.0050.01911.61
5.4.270.0070.01911.45
5.4.260.0020.02711.57
5.4.250.0040.02311.47
5.4.240.0040.01911.64
5.4.230.0040.02511.40
5.4.220.0040.02811.48
5.4.210.0020.02511.38
5.4.200.0060.02511.59
5.4.190.0060.02411.49
5.4.180.0040.02311.46
5.4.170.0050.02011.53
5.4.160.0040.02411.52
5.4.150.0030.02111.46
5.4.140.0050.02811.33
5.4.130.0060.01911.31
5.4.120.0040.02511.39
5.4.110.0050.02311.26
5.4.100.0040.01911.38
5.4.90.0050.02111.37
5.4.80.0070.02011.25
5.4.70.0060.01811.46
5.4.60.0030.01911.33
5.4.50.0060.01811.45
5.4.40.0050.02511.22
5.4.30.0050.01911.32
5.4.20.0060.02311.39
5.4.10.0040.02111.26
5.4.00.0050.02011.01
5.3.290.0060.02311.69
5.3.280.0030.02411.41
5.3.270.0060.02111.59
5.3.260.0040.02211.57
5.3.250.0070.01911.44
5.3.240.0040.02111.48
5.3.230.0070.02011.53
5.3.220.0060.02111.44
5.3.210.0050.02311.36
5.3.200.0030.02311.42
5.3.190.0050.02011.48
5.3.180.0050.02011.43
5.3.170.0070.01911.53
5.3.160.0040.02311.53
5.3.150.0040.02111.52
5.3.140.0020.02411.52
5.3.130.0060.02011.50
5.3.120.0040.02311.46
5.3.110.0080.02011.39
5.3.100.0040.02211.17
5.3.90.0050.02211.26
5.3.80.0040.02311.19
5.3.70.0060.02011.07
5.3.60.0080.01611.17
5.3.50.0050.01910.99
5.3.40.0050.02210.98
5.3.30.0030.02211.08
5.3.20.0050.02110.83
5.3.10.0040.02210.85
5.3.00.0040.02010.89
5.2.170.0050.0179.36
5.2.160.0030.0199.33
5.2.150.0090.0149.36
5.2.140.0020.0199.30
5.2.130.0040.0209.27
5.2.120.0030.0189.28
5.2.110.0050.0159.28
5.2.100.0020.0199.27
5.2.90.0040.0159.27
5.2.80.0020.0189.27
5.2.70.0030.0199.28
5.2.60.0080.0149.25
5.2.50.0060.0169.23
5.2.40.0050.0199.22
5.2.30.0040.0239.21
5.2.20.0050.0159.20
5.2.10.0060.0169.17
5.2.00.0030.0189.09
5.1.60.0040.0138.73
5.1.50.0030.0168.74
5.1.40.0020.0168.72
5.1.30.0020.0178.90
5.1.20.0060.0148.91
5.1.10.0070.0108.77
5.1.00.0040.0148.77
5.0.50.0040.0128.01
5.0.40.0020.0117.95
5.0.30.0020.0187.85
5.0.20.0050.0097.83
5.0.10.0060.0097.82
5.0.00.0030.0157.82
4.4.90.0020.0107.10
4.4.80.0010.0127.08
4.4.70.0020.0107.09
4.4.60.0040.0097.08
4.4.50.0020.0097.09
4.4.40.0040.0177.06
4.4.30.0020.0107.09
4.4.20.0030.0107.13
4.4.10.0030.0107.13
4.4.00.0030.0157.09
4.3.110.0030.0107.04
4.3.100.0020.0097.04
4.3.90.0040.0087.02
4.3.80.0020.0157.00
4.3.70.0040.0087.02
4.3.60.0030.0087.02
4.3.50.0020.0097.02
4.3.40.0030.0146.98
4.3.30.0030.0106.35
4.3.20.0040.0096.33
4.3.10.0040.0086.32
4.3.00.0020.01111.42

preferences:
43.26 ms | 401 KiB | 5 Q