3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = function($a) { return $a * $a; }; print $string(5);

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)
8.3.40.0040.01118.63
8.3.30.0100.00318.75
8.3.20.0060.00318.83
8.3.10.0040.00420.48
8.3.00.0030.00517.63
8.2.170.0040.01122.96
8.2.160.0130.00021.94
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0060.00319.96
8.2.110.0000.01021.01
8.2.100.0070.00517.82
8.2.90.0060.00319.21
8.2.80.0000.00817.97
8.2.70.0030.00617.50
8.2.60.0060.00317.93
8.2.50.0030.00618.10
8.2.40.0000.01018.16
8.2.30.0000.00718.08
8.2.20.0050.00217.73
8.2.10.0000.00717.60
8.2.00.0050.00317.63
8.1.270.0070.00023.99
8.1.260.0030.00626.35
8.1.250.0030.00628.09
8.1.240.0050.00521.31
8.1.230.0000.01120.12
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0050.00317.23
8.1.180.0000.00718.10
8.1.170.0000.00718.90
8.1.160.0040.00418.76
8.1.150.0040.00418.55
8.1.140.0040.00417.32
8.1.130.0000.00717.76
8.1.120.0000.00817.49
8.1.110.0000.00817.35
8.1.100.0000.00817.51
8.1.90.0040.00417.46
8.1.80.0040.00317.45
8.1.70.0070.00017.33
8.1.60.0000.00817.41
8.1.50.0030.00517.45
8.1.40.0030.00517.54
8.1.30.0040.00417.54
8.1.20.0040.00417.61
8.1.10.0000.00717.64
8.1.00.0040.00417.36
8.0.300.0000.00819.03
8.0.290.0000.00716.88
8.0.280.0030.00318.38
8.0.270.0030.00517.11
8.0.260.0070.00016.86
8.0.250.0040.00416.91
8.0.240.0000.00716.82
8.0.230.0070.00016.75
8.0.220.0030.00316.73
8.0.210.0080.00016.71
8.0.200.0060.00316.96
8.0.190.0080.00016.86
8.0.180.0000.00716.92
8.0.170.0050.00216.93
8.0.160.0030.00316.89
8.0.150.0040.00416.66
8.0.140.0070.00416.87
8.0.130.0030.00313.34
8.0.120.0040.00416.83
8.0.110.0050.00216.88
8.0.100.0040.00416.90
8.0.90.0070.00016.76
8.0.80.0030.01216.76
8.0.70.0040.00416.87
8.0.60.0050.00216.70
8.0.50.0040.00416.73
8.0.30.0160.00817.06
8.0.20.0080.01017.17
8.0.10.0000.00817.12
8.0.00.0070.01016.89
7.4.330.0000.00513.04
7.4.320.0040.00416.47
7.4.300.0030.00316.56
7.4.290.0070.00016.39
7.4.280.0030.00616.60
7.4.270.0070.00016.51
7.4.260.0030.00313.34
7.4.250.0040.00416.43
7.4.240.0000.00716.40
7.4.230.0000.00716.57
7.4.220.0170.01216.59
7.4.210.0080.00916.54
7.4.200.0070.00016.57
7.4.190.0030.00316.72
7.4.160.0080.00816.65
7.4.150.0100.00716.57
7.4.140.0110.00616.56
7.4.130.0090.01116.50
7.4.120.0090.00816.50
7.4.110.0160.01016.42
7.4.100.0070.01016.45
7.4.90.0090.01516.41
7.4.80.0060.01516.47
7.4.70.0090.00616.45
7.4.60.0130.01016.41
7.4.50.0040.00016.55
7.4.40.0030.01016.54
7.4.30.0130.00316.34
7.4.10.0070.01114.90
7.4.00.0070.00914.81
7.3.330.0000.00613.13
7.3.320.0030.00313.13
7.3.310.0000.00816.25
7.3.300.0000.00716.16
7.3.290.0100.01016.26
7.3.280.0100.00916.32
7.3.270.0070.01016.34
7.3.260.0110.00616.40
7.3.250.0100.01016.47
7.3.240.0150.00316.59
7.3.230.0070.01016.40
7.3.210.0130.00316.46
7.3.200.0100.00719.39
7.3.190.0070.01616.43
7.3.180.0060.00916.35
7.3.170.0140.00416.36
7.3.160.0120.00316.36
7.3.130.0070.01114.78
7.3.120.0060.00914.64
7.3.110.0110.00714.77
7.3.100.0030.01314.88
7.3.90.0080.00514.70
7.3.80.0050.00614.86
7.3.70.0070.00814.66
7.3.60.0070.00614.86
7.3.50.0070.00414.70
7.3.40.0070.00914.59
7.3.30.0060.00514.64
7.3.20.0080.00816.60
7.3.10.0050.00816.76
7.3.00.0010.01516.59
7.2.330.0090.00916.32
7.2.320.0100.00616.60
7.2.310.0130.01216.41
7.2.300.0140.00316.70
7.2.290.0070.01016.65
7.2.260.0050.01315.14
7.2.250.0080.01114.98
7.2.240.0060.01014.84
7.2.230.0060.01014.80
7.2.220.0070.01014.90
7.2.210.0040.00815.00
7.2.200.0090.00614.93
7.2.190.0060.00614.95
7.2.180.0060.00514.84
7.2.170.0080.00514.86
7.2.160.0030.01215.14
7.2.150.0050.01016.67
7.2.140.0060.00816.90
7.2.130.0070.00716.81
7.2.120.0050.00916.82
7.2.110.0080.00616.86
7.2.100.0080.00516.79
7.2.90.0060.00916.95
7.2.80.0060.00816.73
7.2.70.0120.00516.91
7.2.60.0030.01316.69
7.2.50.0080.00816.90
7.2.40.0060.00816.85
7.2.30.0080.00516.73
7.2.20.0050.00816.78
7.2.10.0060.00916.77
7.2.00.0040.01117.68
7.1.330.0040.01215.70
7.1.320.0100.00215.64
7.1.310.0070.00715.61
7.1.300.0070.00515.64
7.1.290.0070.00515.60
7.1.280.0070.00715.49
7.1.270.0060.00615.63
7.1.260.0080.00315.71
7.1.250.0060.00915.57
7.1.240.0070.00715.51
7.1.230.0070.00915.59
7.1.220.0080.00615.73
7.1.210.0080.00615.71
7.1.200.0040.01115.65
7.1.190.0090.00515.63
7.1.180.0050.00815.58
7.1.170.0050.00715.72
7.1.160.0040.00815.46
7.1.150.0030.00915.49
7.1.140.0050.00615.70
7.1.130.0020.00915.64
7.1.120.0110.00315.70
7.1.110.0030.01115.59
7.1.100.0020.00916.48
7.1.90.0070.00415.54
7.1.80.0000.01315.67
7.1.70.0020.00916.17
7.1.60.0060.01116.88
7.1.50.0050.01216.12
7.1.40.0070.00715.68
7.1.30.0070.00515.71
7.1.20.0060.00415.70
7.1.10.0050.00915.58
7.1.00.0060.02318.02
7.0.330.0080.00615.39
7.0.320.0060.00515.30
7.0.310.0070.00615.32
7.0.300.0060.00715.36
7.0.290.0050.00915.32
7.0.280.0050.00515.29
7.0.270.0030.00815.34
7.0.260.0040.00715.34
7.0.250.0060.00615.32
7.0.240.0050.00715.41
7.0.230.0020.00815.32
7.0.220.0070.00815.21
7.0.210.0010.00915.40
7.0.200.0080.00815.14
7.0.190.0010.01015.15
7.0.180.0070.00415.41
7.0.170.0050.01015.37
7.0.160.0070.00715.25
7.0.150.0050.00915.37
7.0.140.0030.03217.59
7.0.130.0060.00615.19
7.0.120.0050.02117.65
7.0.110.0100.00315.38
7.0.100.0050.00615.27
7.0.90.0080.00615.31
7.0.80.0030.01215.19
7.0.70.0030.00615.06
7.0.60.0060.03316.80
7.0.50.0060.02016.28
7.0.40.0080.02215.76
7.0.30.0180.02015.65
7.0.20.0060.02115.71
7.0.10.0160.02515.64
7.0.00.0080.02515.62
5.6.400.0030.00614.36
5.6.390.0070.01014.17
5.6.380.0070.00714.12
5.6.370.0030.00714.30
5.6.360.0080.00314.23
5.6.350.0050.01014.53
5.6.340.0050.00714.48
5.6.330.0090.00614.20
5.6.320.0010.00814.58
5.6.310.0020.01014.50
5.6.300.0070.00314.65
5.6.290.0050.00714.24
5.6.280.0060.02916.64
5.6.270.0050.00813.99
5.6.260.0100.00514.36
5.6.250.0080.00214.42
5.6.240.0080.00514.36
5.6.230.0080.00614.31
5.6.220.0000.01114.22
5.6.210.0110.03016.59
5.6.200.0030.02215.59
5.6.190.0060.02616.41
5.6.180.0240.01716.43
5.6.170.0150.02816.46
5.6.160.0040.03016.43
5.6.150.0070.03215.56
5.6.140.0050.03515.61
5.6.130.0040.03515.55
5.6.120.0030.01816.58
5.6.110.0080.03116.56
5.6.100.0090.03116.51
5.6.90.0050.01916.56
5.6.80.0050.02916.29
5.6.70.1380.02016.31
5.6.60.0070.00414.25
5.6.50.0070.00714.17
5.6.40.0050.00814.19
5.6.30.0060.01014.06
5.6.20.0050.00614.16
5.6.10.0050.00814.28
5.6.00.0050.00914.07
5.5.380.0070.01014.27
5.5.370.0050.01114.18
5.5.360.0080.00614.12
5.5.350.0180.02616.24
5.5.340.0040.02015.52
5.5.330.0050.01716.13
5.5.320.0110.01616.32
5.5.310.0110.02816.17
5.5.300.0040.03015.37
5.5.290.0050.01715.52
5.5.280.0020.02316.46
5.5.270.0030.02016.25
5.5.260.0110.02916.41
5.5.250.0040.03116.21
5.5.240.0060.03116.30
5.5.230.0050.00614.30
5.5.220.0040.00914.33
5.5.210.0070.00514.28
5.5.200.0110.00414.03
5.5.190.0020.01314.16
5.5.180.0080.00814.20
5.5.170.0030.01214.11
5.5.160.0020.01314.20
5.5.150.0070.00714.16
5.5.140.0080.00714.13
5.5.130.0080.00613.96
5.5.120.0050.00714.25
5.5.110.0050.00914.14
5.5.100.0060.00414.17
5.5.90.0080.00114.00
5.5.80.0090.00414.06
5.5.70.0080.00514.27
5.5.60.0070.00914.07
5.5.50.0060.00614.00
5.5.40.0060.00214.13
5.5.30.0080.00514.21
5.5.20.0070.00614.08
5.5.10.0060.00614.23
5.5.00.0020.00913.86
5.4.450.0060.01614.07
5.4.440.0070.01314.16
5.4.430.0030.02614.20
5.4.420.0020.02014.10
5.4.410.0030.01714.03
5.4.400.0040.01714.05
5.4.390.0090.01314.05
5.4.380.0030.01514.07
5.4.370.0040.01514.01
5.4.360.0050.01413.96
5.4.350.0030.01914.07
5.4.340.0100.01514.04
5.4.330.0050.00611.52
5.4.320.0070.01714.06
5.4.310.0070.01214.01
5.4.300.0020.01714.09
5.4.290.0020.01714.00
5.4.280.0020.02014.06
5.4.270.0040.02814.09
5.4.260.0040.01714.01
5.4.250.0050.02814.08
5.4.240.0020.02114.06
5.4.230.0040.02814.09
5.4.220.0030.01814.09
5.4.210.0030.03013.96
5.4.200.0030.02714.06
5.4.190.0060.01814.09
5.4.180.0040.02214.07
5.4.170.0010.03214.08
5.4.160.0060.01414.01
5.4.150.0080.02814.09
5.4.140.0080.02513.18
5.4.130.0050.02013.10
5.4.120.0010.01913.15
5.4.110.0030.02113.17
5.4.100.0030.02013.19
5.4.90.0060.02013.15
5.4.80.0080.02713.15
5.4.70.0070.01713.12
5.4.60.0070.02313.10
5.4.50.0050.01913.15
5.4.40.0040.02713.14
5.4.30.0040.02813.14
5.4.20.0020.02213.14
5.4.10.0080.02513.15
5.4.00.0060.02712.97
5.3.290.0030.01612.53
5.3.280.0050.01612.55
5.3.270.0040.02312.56
5.3.260.0020.01812.54
5.3.250.0040.02812.54
5.3.240.0060.01812.57
5.3.230.0040.01812.56
5.3.220.0040.02712.54
5.3.210.0050.02912.55
5.3.200.0030.02012.51
5.3.190.0070.02112.54
5.3.180.0040.03012.55
5.3.170.0030.01912.54
5.3.160.0080.02812.54
5.3.150.0070.01312.54
5.3.140.0080.02612.55
5.3.130.0040.02412.58
5.3.120.0040.02712.54
5.3.110.0130.01212.54
5.3.100.0080.02712.38
5.3.90.0040.01712.38
5.3.80.0040.03212.37
5.3.70.0060.02812.41
5.3.60.0070.01812.37
5.3.50.0070.02512.30
5.3.40.0050.01412.31
5.3.30.0050.01812.36
5.3.20.0070.02112.26
5.3.10.0060.01612.23
5.3.00.0070.01912.22
5.2.170.0000.06011.25
5.2.160.0000.05011.09
5.2.150.0030.05011.08
5.2.140.0100.05711.08
5.2.130.0070.03311.05
5.2.120.0000.03311.04
5.2.110.0070.05011.04
5.2.100.0070.03011.07
5.2.90.0070.05711.11
5.2.80.0070.02711.08
5.2.70.0000.03311.03
5.2.60.0030.04310.95
5.2.50.0000.04710.86
5.2.40.0070.04310.98
5.2.30.0200.05310.93
5.2.20.0130.03310.88
5.2.10.0100.05710.86
5.2.00.0000.06310.80
5.1.60.0130.0439.96
5.1.50.0030.0539.94
5.1.40.0030.0479.88
5.1.30.0070.03710.36
5.1.20.0030.03310.36
5.1.10.0070.0439.97
5.1.00.0000.04710.13
5.0.50.0000.0278.55
5.0.40.0000.0478.43
5.0.30.0030.0438.22
5.0.20.0000.0238.24
5.0.10.0070.0378.14
5.0.00.0030.0708.17
4.4.90.0030.0337.65
4.4.80.0000.0177.65
4.4.70.0000.0377.65
4.4.60.0070.0237.65
4.4.50.0000.0307.65
4.4.40.0000.0537.65
4.4.30.0030.0377.65
4.4.20.0070.0337.65
4.4.10.0030.0377.65
4.4.00.0000.0477.65
4.3.110.0030.0307.65
4.3.100.0030.0277.65
4.3.90.0030.0237.65
4.3.80.0000.0377.65
4.3.70.0000.0337.65
4.3.60.0000.0177.65
4.3.50.0000.0237.65
4.3.40.0000.0277.65
4.3.30.0000.0377.65
4.3.20.0000.0277.65
4.3.10.0000.0237.65
4.3.00.0000.0177.65

preferences:
46.35 ms | 400 KiB | 5 Q