3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = "laruence"; $var_dup = $var; debug_zval_dump($var_dup); debug_zval_dum($var); unset($var); debug_zval_dump($var_dup);

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)
8.3.60.0110.00716.50
8.3.50.0110.00416.18
8.3.40.0150.00018.89
8.3.30.0000.01418.62
8.3.20.0040.00420.26
8.3.10.0080.00021.87
8.3.00.0050.00321.77
8.2.180.0120.00318.43
8.2.170.0070.00722.96
8.2.160.0030.01020.39
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00919.38
8.2.120.0050.00326.35
8.2.110.0030.00720.99
8.2.100.0070.00717.72
8.2.90.0000.00817.84
8.2.80.0030.00618.19
8.2.70.0040.00417.63
8.2.60.0000.00818.04
8.2.50.0040.00418.09
8.2.40.0040.00420.61
8.2.30.0030.00319.43
8.2.20.0080.00019.39
8.2.10.0030.00518.05
8.2.00.0040.00417.91
8.1.280.0150.00325.92
8.1.270.0040.01422.07
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0090.00017.66
8.1.230.0060.00620.66
8.1.220.0030.00517.74
8.1.210.0040.00418.91
8.1.200.0060.00617.35
8.1.190.0050.00317.22
8.1.180.0080.00018.10
8.1.170.0050.00318.39
8.1.160.0000.00820.64
8.1.150.0040.00418.82
8.1.140.0000.00819.54
8.1.130.0070.00017.58
8.1.120.0000.00717.42
8.1.110.0040.00417.35
8.1.100.0040.00417.41
8.1.90.0050.00217.34
8.1.80.0030.00617.45
8.1.70.0000.00717.31
8.1.60.0040.00817.48
8.1.50.0030.00517.40
8.1.40.0050.00317.53
8.1.30.0040.00417.67
8.1.20.0040.00417.59
8.1.10.0070.00017.64
8.1.00.0000.00717.52
8.0.300.0000.00719.81
8.0.290.0040.00416.75
8.0.280.0060.00018.43
8.0.270.0020.00517.06
8.0.260.0030.00317.17
8.0.250.0030.00416.94
8.0.240.0000.00816.90
8.0.230.0000.00716.93
8.0.220.0040.00416.85
8.0.210.0000.00716.90
8.0.200.0040.00416.93
8.0.190.0040.00416.96
8.0.180.0050.00216.82
8.0.170.0040.00416.90
8.0.160.0000.00717.00
8.0.150.0030.00316.89
8.0.140.0030.00316.88
8.0.130.0000.00513.35
8.0.120.0070.00016.81
8.0.110.0000.00716.78
8.0.100.0000.00716.71
8.0.90.0000.00816.75
8.0.80.0090.00616.91
8.0.70.0000.00716.73
8.0.60.0000.00716.98
8.0.50.0030.00516.75
8.0.30.0100.00617.04
8.0.20.0100.01217.40
8.0.10.0000.00916.89
8.0.00.0090.00916.63
7.4.330.0050.00016.89
7.4.320.0030.00316.38
7.4.300.0040.00416.45
7.4.290.0000.00716.50
7.4.280.0000.00916.40
7.4.270.0030.00316.57
7.4.260.0040.00416.41
7.4.250.0070.00016.47
7.4.240.0030.00316.55
7.4.230.0000.00716.29
7.4.220.0060.01616.61
7.4.210.0070.00716.57
7.4.200.0000.00716.59
7.4.160.0030.01416.69
7.4.150.0100.00717.40
7.4.140.0120.00717.86
7.4.130.0120.00516.40
7.4.120.0100.00716.61
7.4.110.0060.01516.44
7.4.100.0120.01016.61
7.4.90.0110.00716.46
7.4.80.0150.01319.39
7.4.70.0080.00816.41
7.4.60.0100.01016.55
7.4.50.0040.00816.78
7.4.40.0060.00916.19
7.4.30.0090.00916.54
7.4.10.0180.00316.57
7.4.00.0100.00715.35
7.3.330.0030.00313.22
7.3.320.0050.00313.30
7.3.310.0070.00016.36
7.3.300.0000.00716.35
7.3.290.0080.00816.33
7.3.280.0120.00816.28
7.3.270.0080.01217.40
7.3.260.0080.00816.41
7.3.250.0070.01116.56
7.3.240.0160.00616.43
7.3.230.0080.00916.39
7.3.210.0120.00916.54
7.3.200.0100.00616.46
7.3.190.0100.00716.54
7.3.180.0120.00616.55
7.3.170.0090.01216.48
7.3.160.0100.00716.64
7.3.130.0070.01016.47
7.3.120.0080.00715.64
7.3.110.0050.01115.52
7.3.100.0080.00715.44
7.3.90.0070.00515.84
7.3.80.0080.00915.60
7.3.70.0080.00515.66
7.3.60.0020.01415.52
7.3.50.0060.00615.49
7.3.40.0070.00915.43
7.3.30.0070.00715.39
7.3.20.0070.00617.32
7.3.10.0030.00717.30
7.3.00.0010.01017.32
7.2.330.0000.01716.27
7.2.320.0190.00316.29
7.2.310.0120.00916.21
7.2.300.0100.00616.56
7.2.290.0100.00716.53
7.2.260.0100.00716.24
7.2.250.0060.01215.69
7.2.240.0070.01015.84
7.2.230.0080.00615.51
7.2.220.0030.00915.65
7.2.210.0080.01015.66
7.2.200.0040.01115.64
7.2.190.0050.00915.65
7.2.180.0030.00915.71
7.2.170.0030.01215.61
7.2.160.0090.00316.25
7.2.150.0030.00618.08
7.2.140.0070.01018.29
7.2.130.0110.00018.12
7.2.120.0030.01318.18
7.2.110.0030.01018.24
7.2.100.0100.00018.22
7.2.90.0060.00618.39
7.2.80.0060.00618.22
7.2.70.0030.01018.16
7.2.60.0080.00617.28
7.2.50.0070.00718.16
7.2.40.0000.01018.27
7.2.30.0040.00818.25
7.2.20.0090.00018.30
7.2.10.0060.00618.24
7.2.00.0030.00818.89
7.1.330.0050.01016.39
7.1.320.0020.01216.66
7.1.310.0110.00216.51
7.1.300.0010.00916.47
7.1.290.0060.00916.48
7.1.280.0070.00716.46
7.1.270.0100.00516.36
7.1.260.0030.01016.58
7.1.250.0030.01517.05
7.1.240.0120.00017.26
7.1.230.0000.01217.27
7.1.220.0060.00617.21
7.1.210.0060.00617.21
7.1.200.0070.00516.41
7.1.190.0070.00716.96
7.1.180.0070.00717.20
7.1.170.0060.00916.88
7.1.160.0060.00317.22
7.1.150.0080.00517.25
7.1.140.0070.00317.29
7.1.130.0030.01017.20
7.1.120.0000.00917.19
7.1.110.0090.00017.36
7.1.100.0050.00917.63
7.1.90.0040.00817.14
7.1.80.0040.00717.16
7.1.70.0060.01017.05
7.1.60.0070.01318.26
7.1.50.0080.01016.90
7.1.40.0100.00317.21
7.1.30.0000.01917.41
7.1.20.0120.00617.16
7.1.10.0070.01017.16
7.1.00.0020.04419.76
7.0.330.0030.01016.98
7.0.320.0090.00616.93
7.0.310.0000.01316.95
7.0.300.0130.00316.69
7.0.290.0060.01016.57
7.0.280.0070.00416.88
7.0.270.0030.00716.84
7.0.260.0030.01016.94
7.0.250.0140.00017.05
7.0.240.0000.01216.87
7.0.230.0060.00316.83
7.0.220.0130.00317.04
7.0.210.0030.01616.93
7.0.200.0060.00416.77
7.0.190.0030.01316.89
7.0.180.0040.00716.74
7.0.170.0030.01516.86
7.0.160.0070.01016.91
7.0.150.0030.01016.87
7.0.140.0030.00917.12
7.0.130.0040.00916.91
7.0.120.0080.00816.59
7.0.110.0070.00417.10
7.0.100.0070.00316.59
7.0.90.0090.00016.92
7.0.80.0070.00317.05
7.0.70.0070.00316.76
7.0.60.0100.02019.30
7.0.50.0050.03317.38
7.0.40.0080.04317.39
7.0.30.0210.03817.51
7.0.20.0220.04417.52
7.0.10.0080.05017.42
7.0.00.0000.02917.48
5.6.400.0130.00315.55
5.6.390.0060.00915.84
5.6.380.0090.00015.54
5.6.370.0100.00015.69
5.6.360.0090.00615.52
5.6.350.0030.01315.29
5.6.340.0000.01515.90
5.6.330.0000.01315.82
5.6.320.0030.01015.51
5.6.310.0060.00915.84
5.6.300.0040.00415.81
5.6.290.0000.01415.66
5.6.280.0060.03018.19
5.6.270.0030.01015.82
5.6.260.0070.00715.76
5.6.250.0060.00615.72
5.6.240.0080.00615.50
5.6.230.0040.01515.58
5.6.220.0070.01015.39
5.6.210.0030.03818.11
5.6.200.0080.04516.90
5.6.190.0030.02617.94
5.6.180.0020.02918.00
5.6.170.0070.02918.12
5.6.160.0030.04118.05
5.6.150.0030.04816.75
5.6.140.0050.02216.91
5.6.130.0060.02616.85
5.6.120.0110.04018.31
5.6.110.0050.04318.41
5.6.100.0070.04518.29
5.6.90.0100.04318.45
5.6.80.0100.03817.97
5.6.70.0060.00915.58
5.6.60.0070.00715.50
5.6.50.0060.01215.55
5.6.40.0090.00615.55
5.6.30.0030.01015.61
5.6.20.0030.01015.63
5.6.10.0040.00815.70
5.6.00.0040.00815.63
5.5.380.0080.00315.37
5.5.370.0070.01115.34
5.5.360.0040.00815.50
5.5.350.0150.04317.95
5.5.340.0020.03416.65
5.5.330.0050.04417.75
5.5.320.0100.02717.88
5.5.310.0130.02517.96
5.5.300.0090.03216.71
5.5.290.0040.02416.78
5.5.280.0070.02818.27
5.5.270.0030.03118.28
5.5.260.0030.03518.18
5.5.250.0040.04517.99
5.5.240.0180.03717.82
5.5.230.0030.00715.29
5.5.220.0100.00015.53
5.5.210.0000.01115.38
5.5.200.0060.00615.46
5.5.190.0000.01215.26
5.5.180.0070.00715.68
5.5.170.0030.00715.62
5.5.160.0030.00715.50
5.5.150.0070.00715.43
5.5.140.0110.00015.56
5.5.130.0120.00315.64
5.5.120.0050.00515.57
5.5.110.0000.01015.34
5.5.100.0000.00915.65
5.5.90.0060.00915.46
5.5.80.0070.00715.45
5.5.70.0060.00615.11
5.5.60.0100.01015.45
5.5.50.0090.00915.28
5.5.40.0030.01015.29
5.5.30.0060.00915.64
5.5.20.0060.00615.45
5.5.10.0070.00715.17
5.5.00.0070.01015.45

preferences:
57.37 ms | 401 KiB | 5 Q