3v4l.org

run code in 300+ PHP versions simultaneously
<?php $num = 3; var_dump($num-- === 0); var_dump($num);

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)
8.3.60.0070.01418.16
8.3.50.0090.01021.14
8.3.40.0120.00318.44
8.3.30.0140.00720.34
8.3.20.0040.00420.21
8.3.10.0080.00022.09
8.3.00.0080.00022.30
8.2.180.0150.00416.62
8.2.170.0070.00722.96
8.2.160.0000.01822.03
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00020.71
8.2.110.0000.01022.14
8.2.100.0080.00417.78
8.2.90.0080.00017.63
8.2.80.0000.00917.97
8.2.70.0000.00817.93
8.2.60.0060.00317.92
8.2.50.0060.00318.10
8.2.40.0040.00420.52
8.2.30.0000.00717.49
8.2.20.0070.00017.65
8.2.10.0030.00517.67
8.2.00.0060.00317.52
8.1.280.0100.00625.92
8.1.270.0090.00023.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0050.00521.98
8.1.230.0070.00319.23
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0090.00017.23
8.1.180.0040.00418.10
8.1.170.0030.00618.52
8.1.160.0050.00318.85
8.1.150.0000.00718.50
8.1.140.0060.00317.43
8.1.130.0000.00717.92
8.1.120.0040.00417.44
8.1.110.0030.00517.36
8.1.100.0000.00717.35
8.1.90.0000.00717.28
8.1.80.0000.00717.29
8.1.70.0040.00417.23
8.1.60.0000.00817.54
8.1.50.0030.00517.48
8.1.40.0000.00817.44
8.1.30.0040.00417.44
8.1.20.0060.00317.62
8.1.10.0040.00417.51
8.1.00.0030.00617.36
8.0.300.0040.00419.73
8.0.290.0040.00416.58
8.0.280.0050.00318.42
8.0.270.0070.00017.98
8.0.260.0030.00316.75
8.0.250.0030.00316.91
8.0.240.0040.00416.92
8.0.230.0030.00316.79
8.0.220.0000.00716.77
8.0.210.0020.00516.68
8.0.200.0000.00616.80
8.0.190.0040.00416.81
8.0.180.0040.00416.83
8.0.170.0030.00516.73
8.0.160.0030.00316.75
8.0.150.0030.00316.63
8.0.140.0000.00816.77
8.0.130.0000.00513.27
8.0.120.0040.00416.78
8.0.110.0000.00716.66
8.0.100.0040.00416.85
8.0.90.0030.00416.77
8.0.80.0030.01216.83
8.0.70.0040.00416.84
8.0.60.0040.00416.73
8.0.50.0050.00216.82
8.0.30.0060.01217.19
8.0.20.0050.01217.40
8.0.10.0040.00417.05
8.0.00.0110.00616.72
7.4.330.0030.00315.00
7.4.320.0000.00616.57
7.4.300.0060.00016.52
7.4.290.0030.00316.46
7.4.280.0030.00316.48
7.4.270.0040.00416.48
7.4.260.0060.00013.22
7.4.250.0020.00516.57
7.4.240.0040.00316.52
7.4.230.0000.00716.66
7.4.220.0190.00616.48
7.4.210.0070.00716.59
7.4.200.0070.00016.41
7.4.190.0030.00316.75
7.4.160.0050.01116.45
7.4.150.0120.00817.40
7.4.140.0100.01117.86
7.4.130.0060.01116.45
7.4.120.0100.00716.38
7.4.110.0070.01016.34
7.4.100.0110.00516.32
7.4.90.0090.00916.51
7.4.80.0370.01019.39
7.4.70.0110.00516.18
7.4.60.0030.01316.55
7.4.50.0030.00616.21
7.4.40.0160.00022.77
7.4.30.0040.01216.71
7.4.00.0050.01015.03
7.3.330.0050.00012.93
7.3.320.0020.00212.91
7.3.310.0000.00716.25
7.3.300.0030.00316.09
7.3.290.0100.00316.19
7.3.280.0060.01216.21
7.3.270.0110.00517.40
7.3.260.0160.00616.32
7.3.250.0130.00416.14
7.3.240.0100.01016.30
7.3.230.0120.00916.39
7.3.210.0140.00316.44
7.3.200.0100.01019.39
7.3.190.0120.00416.16
7.3.180.0130.00816.26
7.3.170.0040.01116.36
7.3.160.0120.00316.19
7.3.120.0050.01014.78
7.3.110.0040.01414.94
7.3.100.0120.00414.80
7.3.90.0080.00314.68
7.3.80.0000.01514.70
7.3.70.0000.00814.78
7.3.60.0030.01014.82
7.3.50.0090.00914.70
7.3.40.0060.01014.84
7.3.30.0090.00614.60
7.3.20.0060.00316.41
7.3.10.0070.00716.73
7.3.00.0040.00816.37
7.2.330.0120.00616.72
7.2.320.0130.00516.48
7.2.310.0060.01316.60
7.2.300.0170.00016.39
7.2.290.0110.00516.63
7.2.250.0100.01015.09
7.2.240.0110.00814.85
7.2.230.0040.01114.86
7.2.220.0030.00615.12
7.2.210.0030.01214.99
7.2.200.0000.01215.00
7.2.190.0070.00714.70
7.2.180.0030.00814.96
7.2.170.0000.01314.96
7.2.00.0030.00919.30
7.1.330.0070.00715.94
7.1.320.0040.01115.80
7.1.310.0100.00315.57
7.1.300.0070.00315.63
7.1.290.0060.00615.79
7.1.280.0090.00615.71
7.1.270.0000.01515.57
7.1.260.0110.00415.82
7.1.100.0000.01418.30
7.1.70.0030.00317.03
7.1.60.0130.01019.32
7.1.50.0140.01016.96
7.1.00.0030.07022.57
7.0.200.0000.00716.83
7.0.140.0070.07021.95
7.0.60.0130.04719.85
7.0.50.0130.07717.80
7.0.40.0030.09320.10
7.0.30.0530.05720.01
7.0.20.0300.07020.19
7.0.10.0030.07020.17
7.0.00.0070.03720.16
5.6.280.0030.07321.09
5.6.210.0130.06320.76
5.6.200.0030.04318.19
5.6.190.0000.08720.67
5.6.180.0300.05720.67
5.6.170.0330.07720.45
5.6.160.0130.06020.41
5.6.150.0070.08318.08
5.6.140.0100.06718.16
5.6.130.0130.06018.18
5.6.120.0030.04321.11
5.6.110.0130.07020.97
5.6.100.0030.04721.00
5.6.90.0070.04320.99
5.6.80.0130.07720.36
5.6.70.4500.04320.49
5.5.350.0230.05720.39
5.5.340.0000.07718.03
5.5.330.0070.05720.47
5.5.320.0300.06020.27
5.5.310.0300.07720.21
5.5.300.0070.07317.93
5.5.290.0030.08317.92
5.5.280.0130.04720.88
5.5.270.0130.07020.94
5.5.260.0170.06720.73
5.5.250.0170.06720.66
5.5.240.0070.07320.11
5.4.450.3630.03719.15
5.4.440.3600.03719.11
5.4.430.3470.03319.24
5.4.420.3970.03719.54
5.4.410.3800.03719.36
5.4.400.3870.03319.09
5.4.390.3900.03319.25
5.4.380.3900.03719.07
5.4.370.3900.03718.80
5.4.360.3630.03719.13
5.4.350.3630.04018.92
5.4.340.3400.04718.91
5.4.320.3600.03718.85
5.4.310.3600.03319.08
5.4.300.3870.04319.08
5.4.290.3830.03319.06
5.4.280.3900.03718.79
5.4.270.4200.03719.08
5.4.260.3870.04019.24
5.4.250.3900.03019.23
5.4.240.3970.03719.12
5.4.230.3670.04019.23
5.4.220.3900.03718.80
5.4.210.3800.04019.09
5.4.200.4330.04019.08
5.4.190.3830.03719.08
5.4.180.3730.03719.05
5.4.170.3730.04019.09
5.4.160.3370.05019.08
5.4.150.3930.03719.22
5.4.140.3870.03716.16
5.4.130.3570.04016.43
5.4.120.3830.03716.22
5.4.110.4230.03716.40
5.4.100.3630.03016.24
5.4.90.3900.03716.30
5.4.80.3970.03316.29
5.4.70.3970.03316.46
5.4.60.3730.03716.43
5.4.50.4100.03316.18
5.4.40.3630.03716.36
5.4.30.2800.03316.31
5.4.20.3770.04016.40
5.4.10.3570.04016.49
5.4.00.3570.04015.73
5.3.290.4070.03314.56
5.3.280.3830.04014.44
5.3.270.3870.03714.44
5.3.260.3930.03314.43
5.3.250.3870.03714.44
5.3.240.3870.04714.49
5.3.230.3970.04014.62
5.3.220.4200.04714.42
5.3.210.3670.03714.59
5.3.200.3770.04014.40
5.3.190.3600.03714.61
5.3.180.3970.03714.43
5.3.170.4000.03314.40
5.3.160.3700.03314.51
5.3.150.3870.03714.40
5.3.140.3900.03714.49
5.3.130.4000.04014.59
5.3.120.3700.04014.38
5.3.110.3370.03314.52
5.3.100.3700.03314.06
5.3.90.2700.04013.86
5.3.80.3030.04013.87
5.3.70.2900.03314.04
5.3.60.2930.03313.80
5.3.50.3700.03013.74
5.3.40.3570.04313.82
5.3.30.3530.03013.81
5.3.20.3670.03313.48
5.3.10.3770.03313.51
5.3.00.3600.03713.58
5.2.170.2630.03311.28
5.2.160.2700.02711.30
5.2.150.2070.03011.07
5.2.140.3070.03011.15
5.2.130.3330.02710.95
5.2.120.3030.03010.95
5.2.110.3200.03011.14
5.2.100.3500.02710.98
5.2.90.3200.03310.94
5.2.80.3370.02710.93
5.2.70.2970.03010.92
5.2.60.2670.03310.90
5.2.50.3230.03310.92
5.2.40.2370.03010.93
5.2.30.2870.02711.12
5.2.20.2530.02710.89
5.2.10.2570.02710.93
5.2.00.2700.03010.57
5.1.60.3000.02310.14
5.1.50.2830.0279.86
5.1.40.2700.0279.86
5.1.30.2400.02710.30
5.1.20.2630.03010.50
5.1.10.2470.02310.04
5.1.00.2430.03010.03
5.0.50.1400.0209.63
5.0.40.1200.0209.63
5.0.30.1270.0279.63
5.0.20.1430.0179.63
5.0.10.1670.0139.63
5.0.00.1730.0279.63
4.4.90.1400.0179.63
4.4.80.1430.0209.63
4.4.70.1170.0179.63
4.4.60.1470.0179.63
4.4.50.1430.0139.63
4.4.40.1470.0279.63
4.4.30.1430.0179.63
4.4.20.1430.0209.63
4.4.10.1300.0139.63
4.4.00.0730.0339.63
4.3.110.1430.0179.63
4.3.100.1670.0139.63
4.3.90.1230.0139.63
4.3.80.1470.0379.63
4.3.70.1230.0379.63
4.3.60.1700.0179.63
4.3.50.0930.0209.64
4.3.40.1430.0279.64
4.3.30.0600.0179.64
4.3.20.0670.0179.64
4.3.10.0830.0239.64
4.3.00.0770.0139.64

preferences:
46.3 ms | 401 KiB | 5 Q